How to Play Project IGI Without a CD: A Step-by-Step Guide If you are looking to revisit the classic tactical shooter Project IGI: I'm Going In
, you might run into a common hurdle for older PC games: the requirement for the original physical disc to be in your drive. Since many modern laptops and desktops don't even come with optical drives anymore, a "No-CD crack" or patch is the most common solution to get the game running.
Below is a guide on how to safely apply a No-CD fix to enjoy this stealth-action pioneer on modern hardware. 1. Why You Need a No-CD Fix
Project IGI was released in 2000, an era when "SafeDisc" copy protection was standard. This software checks for the physical CD-ROM before allowing the game to launch. A No-CD crack essentially replaces the original
file with one that bypasses this check, allowing the game to run directly from your hard drive. 2. Finding the Right Patch
Because the internet can be a risky place for downloading executables, always look for reputable game preservation sites.
Often hosts various versions (v1.0 or v1.1) of the IGI executable.
Ensure you have the latest official game patch (usually v1.1) installed before applying a crack, as the crack must match your game version. 3. Installation Steps Once you have downloaded the No-CD archive (usually a file), follow these steps: Locate your Game Folder: This is typically found in C:\Program Files (x86)\Innerloop\Project IGI Backup the Original: Rename the original IGI.exe.bak . This allows you to revert if the crack doesn't work. Extract and Replace: Copy the new
from your downloaded crack folder and paste it into the main Project IGI directory. Compatibility Mode: Right-click the new Properties > Compatibility , and set it to run in Windows XP (Service Pack 3) . Also, check "Run this program as an administrator." 4. Common Troubleshooting DirectX Errors:
Since Project IGI uses older graphics APIs, you may need to install
. This tool translates old DirectX calls to modern ones, fixing flickering textures and resolution issues. Missing DLLs:
If the game complains about missing files, ensure you have the "Legacy Components" (DirectPlay) enabled in your Windows Features settings. A Note on Legalities and Safety
Always ensure you own a legal copy of the game before using No-CD patches. Additionally, scan any downloaded executable
with updated antivirus software (like Windows Defender or Malwarebytes) before running it, as these files are common targets for malware.
Are you having trouble with the game crashing on startup or need help setting up dgVoodoo2 for better graphics?
Getting Project I.G.I.: I'm Going In to run on modern systems can be a bit of a nostalgia trip, but the "Insert CD" prompt is usually the first roadblock fans hit. Whether you’ve lost your physical disc over the last two decades or your modern PC doesn't even have an optical drive, finding a way to bypass that check is essential for playing this tactical shooter classic. Why You Need a No-CD Solution for Project I.G.I.
Released in 2000, Project I.G.I. relied on physical media for DRM (Digital Rights Management). This means the game executable constantly checks the CD-ROM drive for the game disc. On Windows 10 or 11, this often leads to:
Missing Drive Errors: Modern PCs lack the hardware to read the disc.
Security Incompatibilities: Windows has disabled many older drivers (like SafeDisc and SecuROM) that these discs used, meaning even if you have the CD, it might not launch. Common Ways to Play Without the CD 1. The Patch Method (Recommended)
Rather than hunting for sketchy "crack" files on unverified websites, the community has developed fan patches. These patches do more than just bypass the CD check; they often include fixes for high-resolution monitors (Widescreen fixes) and frame rate limiters to prevent the game from running too fast on modern CPUs. 2. Virtual Drive Emulation
If you have an ISO image of your original disc, you can "mount" it using Windows’ built-in virtual drive tool. Right-click your Project IGI ISO file. Select Mount.
The computer will treat the ISO as a physical disc in a virtual drive, satisfying the game's DRM check without needing a "crack" executable. 3. Digital Re-releases
While Project I.G.I. was stuck in licensing limbo for years, it occasionally appears on digital storefronts like GOG (Good Old Games). These versions are pre-patched to be "DRM-Free," meaning the "No CD" functionality is built-in legally and safely. A Quick Word on Safety
If you choose to download a standalone IGI.exe replacement from the web, exercise caution.
Scan Everything: Run any downloaded .exe through a service like VirusTotal.
Backup: Always keep a copy of your original game folder before replacing files.
Compatibility Mode: After applying a No-CD fix, you may still need to right-click the executable, go to Properties > Compatibility, and set it to Windows XP (Service Pack 3) and Run as Administrator. Troubleshooting Common Launch Issues
Even after bypassing the CD check, you might encounter a "DirectX" error or a black screen. To fix this:
dgVoodoo2: This is a popular wrapper that translates old DirectX instructions into modern ones, allowing Project I.G.I. to run smoothly on DirectX 11/12 hardware.
Install Legacy Components: Ensure "DirectPlay" is enabled in your Windows Features (Control Panel > Programs and Features > Turn Windows features on or off).
By using these methods, you can jump back into the shoes of David Jones and take on the Inner Loop missions without digging through your old storage boxes for a scratched-up disc.
Reliving the Classics: A Guide to Project I.G.I. and the "No-CD" Solution
Released in December 2000, Project I.G.I.: I'm Going In remains a tactical shooter legend, praised for its realistic weaponry and massive open missions. However, modern gamers often face a major hurdle: the game’s original copy protection requires a physical CD-ROM that most modern PCs no longer support. Why Use a No-CD Crack?
A No-CD crack is a modified executable file (.exe) that bypasses the game’s check for a physical disc. For many fans, this is the only way to run the game on modern hardware like Windows 10 or 11.
Convenience: You don't have to swap discs or use an external drive.
Performance: Some users report that bypassing the CD check can reduce lag caused by the drive reading data during gameplay.
Longevity: It preserves your original disc from wear and tear. The Risks and Legal Gray Areas
While convenient, using cracks comes with significant warnings:
Project I.G.I.: I'm Going In without the original CD, the most effective and safest method is to use the digital versions available on modern storefronts, which come pre-patched to run without a disc and include compatibility fixes for Windows 10 and 11. Recommended Method: Digital Stores
The easiest way to bypass the "Insert CD" requirement is to purchase the game from a digital distributor. These versions are DRM-free regarding physical media: GOG (Good Old Games):
The GOG version is optimized for modern systems and does not require a CD or any external "cracks."
Similar to GOG, the Steam release is a digital standalone that bypasses the original 2000-era disc check. Manual Workaround for Physical Copies
If you own the original physical disc but want to play without keeping it in the drive, follow these steps: Install the Game: Perform a full installation from your original CD. Update to v1.1: project igi no cd crack
Ensure your game is updated to the latest official version (v1.1). Many community patches require this specific version to function correctly. Use a "No-CD" Executable: Locate a replacement
from a reputable game backup site (such as GameBurnWorld or GameCopyWorld). Always scan downloaded
files with antivirus software (like Windows Defender or Malwarebytes) before use. Navigate to the game's installation folder (usually C:\Project IGI\pc Rename the original IGI.exe.bak (as a backup). Copy the downloaded No-CD into this folder. Compatibility Settings: Right-click the new Properties > Compatibility
, and check "Run this program in compatibility mode for Windows XP (Service Pack 3)" and "Run as administrator." Common Troubleshooting DirectX Errors:
Project I.G.I. is an older Title. If the game fails to launch after applying a No-CD fix, you may need to install
. This tool translates old DirectX commands to modern API calls, fixing graphics glitches and startup crashes. Missing "Common" Folder:
Ensure you are placing the replacement file in the correct sub-directory where the original launcher resides, typically the folder within the main directory.
The phenomenon of the "No-CD crack" for the 2000 tactical shooter Project I.G.I.: I'm Going In
represents a unique intersection of gaming history, technical necessity, and the evolving ethics of digital preservation. While often associated with piracy, the No-CD crack for this specific title became a vital tool for legitimate fans navigating the transition from physical to digital media and the challenges of running "abandonware" on modern systems. The Technical Catalyst
Released by Innerloop Studios, Project I.G.I. used a proprietary engine originally designed for flight simulators to create expansive, seamless maps. Like many retail games of its era, it utilized physical disc-based copy protection to verify ownership.
The Check: The game's executable (IGI.exe) was programmed to search for specific data on a physical CD-ROM in the optical drive before launching.
The Bypass: A "No-CD crack" is a modified version of the original game executable that has been reverse-engineered—typically using tools like hex editors and debuggers—to skip the "CD required" check. Necessity in the Modern Era
As the gaming industry moved away from physical media, the original Project I.G.I. disc checks became a barrier rather than a protection.
The classic tactical shooter Project I.G.I.: I'm Going In remains a nostalgic powerhouse for fans of early 2000s PC gaming. However, running the original retail version today often presents a major hurdle: the outdated SafeDisc DRM, which requires the physical CD-ROM to be present and is no longer supported by modern Windows versions. This is where the community-driven No-CD crack
becomes an essential utility rather than just a convenience. The Technical Necessity For most players on Windows 10 or 11, the original
simply won't launch because the operating system blocks the legacy drivers needed to verify the disc. A No-CD crack replaces the original executable with a modified version that bypasses this check. In terms of performance, it’s a "night and day" difference. Without the optical drive spinning up every time you load a level, load times are slashed by nearly 50%. Stability and Gameplay Experience
One of the best things about the available No-CD patches for Project I.G.I. is that they often come bundled with minor compatibility fixes. The original game was notorious for its lack of an in-game save system and occasional crashes on high-end hardware. The cracked executables used by the community today are remarkably stable, allowing the game's brutal difficulty and expansive open-world maps to shine without the fear of a "Desktop Crash" ruining a 45-minute stealth run. The Downside
The primary risk with any No-CD crack is security. Since these files are unofficial modifications, they are frequently flagged by antivirus software as "False Positives." It requires a level of trust in the retro-gaming community and reputable archive sites to ensure you aren't downloading malware. Additionally, some older cracks can break the game's music triggers, which are tied to the CD audio tracks, leading to a strangely silent infiltration of the Russian bases. Final Verdict
If you still have your original big-box copy of Project I.G.I., a No-CD crack is a mandatory upgrade
I notice you're asking for a story involving a "no-CD crack" for the game Project IGI: I'm Going In. While I can certainly write a fictional, nostalgic piece about PC gaming in the early 2000s—when copy protection and cracks were a common part of the scene—I want to be clear that I can’t provide actual crack files, links, or instructions for bypassing software protection.
That said, here’s a short story inspired by that era:
Title: The Last Disc
2001. A cramped bedroom. The smell of instant noodles and soldering iron.
Alex stared at the Project IGI CD case, its cover promising tactical espionage and bullets that actually traveled in real time. The disc inside was a war zone of scratches—the price of loaning it to Mikey, who treated CDs like frisbees.
The game demanded the disc in the drive. Always. Even after a full install. Every launch meant that horrifying second where the CD-ROM whirred, coughed, and sometimes died.
Tonight, it died for real.
"No," Alex whispered, ejecting the disc. A spiderweb crack ran from the center hub outward. The drive refused to spin it.
He had no money for a new copy. The local store only had Project IGI 2 anyway, and his Pentium III would melt trying to run it.
So he did what any broke teenager with a dial-up connection did: he searched for a "no-CD crack."
It took an hour on Kazaa, sifting through files named IGI_CRACK.exe that were probably viruses, and one promising igifix.zip that turned out to be a Rickroll in text form. Finally, from a dusty forum called GameCopyWorld, he found it: a 287KB replacement .exe.
He held his breath. Copied it over. Double-clicked.
The game launched.
No disc error. No whirring drive. Just the cold, green intro logo and that iconic ambient soundtrack.
For the next three nights, Alex played through the entire game—infiltrating the Russian border, sneaking past patrols, saving at the perfect moment. The crack didn't just fix his broken disc; it felt like a secret handshake into a world where software obeyed him.
Years later, he'd buy the game again on GOG.com—no disc required, legally. But every time he saw the loading screen, he remembered the cracked CD, the scratched disc, and the feeling of winning against a dying drive.
And he never loaned Mikey anything again.
Would you like a different angle—like a hacker drama or a retro-tech horror story set around game cracking?
The Story
In the early 2000s, a group of passionate gamers and software enthusiasts, known as "The Shadow Brokers," had been secretly working on a project to crack the copy protection of the popular game, Project IGI. The game, developed by Innerloop Studios and published by Sierra Entertainment, had been released in 2001 to critical acclaim for its engaging storyline, immersive gameplay, and cutting-edge graphics.
However, the game's copy protection, which required a CD-ROM to be inserted into the computer's CD drive to play, had become a significant obstacle for many players. The Shadow Brokers, led by a charismatic and resourceful individual known only by their handle "Zero Cool," saw this as a challenge to be overcome.
The team, consisting of experts in reverse engineering, coding, and game development, began working on a no-CD crack for Project IGI. They spent countless hours analyzing the game's code, identifying vulnerabilities, and experimenting with patches and workarounds.
Their mission was not just to crack the copy protection but to create a seamless gaming experience for those who had purchased the game legitimately but were frustrated by the limitations of the CD-ROM requirement. The Shadow Brokers believed that gamers should be able to enjoy their favorite games without the hassle of swapping CDs or worrying about drive failures. How to Play Project IGI Without a CD:
As the team worked tirelessly, they encountered numerous setbacks and challenges. The game's developers had implemented a sophisticated anti-piracy system, which included encryption, checksums, and timing mechanisms to prevent tampering. The Shadow Brokers had to use all their skills and creativity to outsmart these protections.
After months of intense work, Zero Cool and his team finally succeeded in creating a working no-CD crack for Project IGI. The crack, which they dubbed "IGI_Free," was tested thoroughly to ensure that it did not compromise the game's stability or performance.
The Shadow Brokers released IGI_Free on various online forums and file-sharing platforms, where it quickly gained popularity among gamers. The crack was not only a testament to the team's technical prowess but also a tribute to the gaming community's dedication and passion.
The Impact
The release of IGI_Free had a significant impact on the gaming world. Players who had been struggling with the CD-ROM requirement were now able to enjoy the game without any issues. Online forums and communities filled with discussions about the game, its gameplay, and its story.
However, not everyone was pleased with the Shadow Brokers' achievement. The game's developers and publishers saw the no-CD crack as a threat to their intellectual property and revenue. They began to work on new copy protection mechanisms and urged gamers to report any instances of piracy or tampering.
The Shadow Brokers, aware of the potential backlash, had taken precautions to remain anonymous and protect their identities. Zero Cool and his team continued to work on new projects, pushing the boundaries of what was thought possible in the world of gaming and software development.
The Legacy
The story of Project IGI's no-CD crack became a legendary tale among gamers and software enthusiasts. The Shadow Brokers' achievement demonstrated that, with determination and expertise, even the most seemingly insurmountable challenges could be overcome.
The incident also highlighted the ongoing debate about copy protection, piracy, and the rights of gamers. While some argued that cracks like IGI_Free facilitated piracy and damaged the game industry, others saw them as a necessary evil, allowing gamers to enjoy their purchased games without unnecessary restrictions.
The Shadow Brokers' work on IGI_Free inspired a new generation of gamers and developers, who continued to explore the boundaries of software development, reverse engineering, and game modding.
The story of Zero Cool and his team serves as a reminder that, in the world of technology and gaming, innovation and creativity can lead to remarkable achievements, even in the face of adversity.
Project IGI: No-CD Crack Report
Introduction
Project IGI, also known as "I'm Going In," is a first-person shooter video game developed by Innerloop Studios and published by Eidos Interactive. The game was released in 2000 for Microsoft Windows. A no-CD crack is a type of software patch that allows users to play the game without requiring the original CD-ROM.
Game Overview
Project IGI is a tactical first-person shooter that follows the story of a secret agent named Jones, who is sent to complete various missions around the world. The game features a variety of realistic weapons and a stealth-based gameplay mechanic.
No-CD Crack
A no-CD crack is a modified executable file that bypasses the game's CD-ROM check, allowing users to play the game without inserting the original CD-ROM. No-CD cracks were popular in the early 2000s, as they provided a convenient way for users to play games without the hassle of swapping CDs.
Types of No-CD Cracks
There are several types of no-CD cracks available for Project IGI, including:
Risks Associated with No-CD Cracks
While no-CD cracks may seem like a convenient solution, they can pose several risks to users, including:
Alternatives to No-CD Cracks
Instead of using no-CD cracks, users can consider the following alternatives:
Conclusion
In conclusion, while no-CD cracks may seem like a convenient solution for playing Project IGI without the original CD-ROM, they can pose several risks to users. Instead of using no-CD cracks, users should consider purchasing the game or using a CD-ROM emulator to play the game.
Recommendations
References
"Project IGI" is a first-person shooter video game developed by Innerloop Studios and published by Eidos Interactive. It was released in 2001 for Microsoft Windows. The game received mixed reviews but has a loyal fan base.
Regarding the "no CD crack," it's essential to understand that game developers and publishers invest significant time, effort, and resources into creating their products. To protect their intellectual property, they often implement copy protection measures, such as CD checks, to prevent unauthorized use.
A "no CD crack" refers to a patch or a crack that bypasses the CD check, allowing players to run the game without the original CD. While it may seem convenient, using such cracks can pose risks, including:
Some popular alternatives to using cracks include:
Game developers and publishers offer various options for players to enjoy their games while protecting their intellectual property.
Project I.G.I.: I'm Going In is a landmark in tactical shooter history, remembered for its sprawling open-air maps, punishing difficulty, and the lack of a mid-level save system. Decades after its 2000 release, fans still return to it for that pure, nostalgic adrenaline.
However, modern players often face a hardware hurdle: the game originally shipped on physical discs protected by SafeDisc or SecuROM encryption. On modern operating systems like Windows 10 or 11, these legacy DRM (Digital Rights Management) drivers are often disabled or blocked for security reasons, making the original CD unreadable. The Role of the "No-CD Crack"
In the retro-gaming community, a "No-CD crack" is a modified version of the game’s primary executable (IGI.exe). This file is patched to bypass the check that looks for the physical disc in the drive.
For many, this isn't about piracy—it’s about software preservation. If you own the original "big box" copy, a crack is often the only way to get the game running on a PC that doesn't even have an optical drive. The Risks of Legacy Files
While the intent is to keep a classic alive, downloading decade-old .exe files from "abandonware" sites comes with significant risks:
Malware & Trojans: Many legacy crack sites host files bundled with unwanted "extras."
Stability Issues: Older cracks may not account for modern CPU speeds, leading to "too fast" gameplay or instant crashes.
Compatibility: Simply cracking the EXE doesn't solve the game's struggle with modern DirectX versions. The Modern Alternative Title: The Last Disc 2001
Rather than hunting for a standalone crack, the safest way to enjoy Project I.G.I. today is through modern digital storefronts like GOG (Good Old Games). These versions are: DRM-Free: They come pre-patched to run without a CD.
Optimized: They include wrappers (like nRage or dgVoodoo) that help the game translate old graphics calls for modern GPUs.
Legal & Safe: You avoid the risk of infecting your system with legacy viruses.
If you are a purist working with the original files, look for community-made patches (like the IGI Fixed Launcher) on GitHub or dedicated fan forums. These often provide the "No-CD" functionality while also fixing high-resolution widescreen issues.
The year was 2001, and for a teenager named Alex, the world was viewed through the crosshairs of a Dragunov sniper rifle. His obsession was Project I.G.I.: I'm Going In, a tactical shooter that was as unforgiving as it was addictive. There were no mid-level saves; if David Jones took a bullet to the chest near the end of a forty-minute infiltration, it was back to the snowy gates of the base.
But the real enemy wasn't the Spetsnaz guards or the pixelated security cameras—it was the physical CD-ROM.
Every time Alex wanted to play, he had to hunt through a graveyard of jewel cases, find the scratched disc, and listen to his optical drive whine like a jet engine as it authenticated the game. One afternoon, the inevitable happened: the drive tray jammed, and when it finally hissed open, his Project I.G.I. disc was sporting a hairline fracture. The game wouldn't boot.
Desperate to return to the Siberian wilderness, Alex dialed into the family’s 56k modem. The screech of the handshake felt like a secret mission in itself. He navigated to the digital underworld of the early 2000s—sites with flickering neon banners and names like GameCopyWorld or MegaGames.
He searched for the holy grail: the Project IGI No-CD Crack.
After dodging a dozen pop-ups promising "Free Smileys," he found it—a tiny .exe file compressed into a ZIP. He downloaded it at a blistering 4kb/s. When the download finished, he stared at the file. His antivirus (a primitive program that barely worked) remained silent, but his gut told him this was the digital equivalent of buying a gun from a guy in a trench coat.
He followed the instructions: Copy 'IGI.exe' to the install directory. Replace existing file? He clicked Yes.
He double-clicked the icon. For a second, the screen stayed black. Then, the iconic, moody electronic theme music swelled through his speakers. David Jones stood on the monitor, silenced MP5 in hand. The game loaded instantly, silent and smooth, no spinning disc required.
Alex felt like a ghost in the machine. He had bypassed the physical world. He spent the rest of the night sneaking through "Trainyard," finally completing the mission without the fear of a scratched disc crashing his progress. In that moment, he wasn't just a gamer; he was a silent operative who had successfully hacked his way back into the fight.
Writing an "essay" on a No-CD crack for Project I.G.I.: I'm Going In
typically refers to understanding its role in game preservation, technical compatibility, and the evolving digital landscape.
Below is an overview of why No-CD cracks are used for this specific title and how they impact the modern player experience. The Purpose of a No-CD Crack No-CD crack is a modified executable file (
) designed to bypass the game’s original Copy Protection (DRM). Historically, these were created to: Convenience
: Allow players to run the game without swapping physical discs. Hardware Preservation : Protect aging CD-ROM drives from wear and tear. Modern Compatibility
: Solve issues where modern operating systems (like Windows 10 or 11) cannot read the old Safedisc or SecuROM protection drivers, which are often flagged as security risks by the system. Technical Impact on Project I.G.I.
Project I.G.I. is a classic tactical shooter from 2000, and running it today often requires more than just a crack. Widescreen Support : Many community-made patches, such as the Widescreen & FOV Fix
, require a specific version of the executable. Sometimes, applying these fixes can actually trigger the "Insert CD" prompt again if the modified file isn't based on a No-CD version. OS Stability
: On Windows 11, the game often crashes to the desktop or displays scaling issues. Tools like dgVoodoo 2
are frequently used alongside No-CD executables to wrap the old DirectX graphics into modern APIs. Ethical and Legal Context
While cracks fall into a legal gray area regarding Digital Millennium Copyright Act (DMCA) regulations, they are widely discussed in "abandonware" and retrogaming communities as essential tools for software preservation Abandonware
: Since the original publishers may no longer support the game or provide digital updates, cracks are often the only way to keep the software functional. Safety Warning
: Users are often cautioned that unofficial cracks from unverified sources may contain malware or "false positives" from antivirus software. Modern Alternatives For those looking to avoid the risks of manual cracking: Digital Stores
: While not always available on all platforms, purchasing a digital version from stores like
(when listed) usually provides a "DRM-free" executable that functions like a No-CD crack by default. Community Patches : Projects like
offer comprehensive fixes that include the necessary bypasses for modern hardware without requiring the original disc.
Project IGI (1) Widescreen on Windows 11 keeps asking for CD
Please note: This article is intended for educational and historical archival purposes only. Circumventing copy protection may violate software licensing agreements. The article discusses the technical context of why such cracks existed and the modern, legal alternatives for enjoying this classic game.
This is the best solution.
For millions of PC gamers growing up in the early 2000s, the name Project I.G.I.: I’m Going In evokes a unique blend of nostalgia, frustration, and triumph. Developed by Innerloop Studios and published by Eidos Interactive in 2000, Project IGI was a groundbreaking tactical first-person shooter. It featured massive open levels, realistic weaponry, and a complete lack of a save-anywhere system (which added brutal difficulty).
However, alongside the memories of sneaking through Russian military bases and the iconic sniper mission, there is a technical ghost that haunts the game’s legacy: The Project IGI No-CD Crack.
If you search for this term today, you are stepping into a time machine that reveals how PC gaming worked before Steam and digital distribution changed everything.
To understand the demand for a Project IGI no CD crack, we must first revisit the dark ages of physical media. In 2000, digital distribution did not exist. If you bought Project IGI, you bought a jewel case containing a CD-ROM.
The game utilized SafeDisc (a form of Windows copy protection). To launch the game, the executable file (IGI.exe) would check the CD-ROM drive for a specific "volumn signature" or encrypted data on the original disc. If it didn't find it—if you were using a burned backup or, worse, if the disc wasn't there—the game would simply crash or prompt: "Please insert the correct CD-ROM."
This led to three massive annoyances that fueled the search for a crack:
Thus, the "No CD crack" was born. It was a patched version of IGI.exe that had been hex-edited to bypass the SafeDisc check. The crack told Windows: "Ignore the drive. Just load the game."
Project IGI was notoriously difficult. Players died constantly, leading to repeated level reloads. Each reload meant spinning the CD. Over weeks of play, this scratched the physical disc. For a teenager saving up allowance money, replacing a scratched disc was a nightmare.
Most PCs did not have permanent high-speed internet connections. To prevent piracy (ironically), publishers used "CD checks." Project IGI required you to insert the game's Play Disc (Disc 2 of the CD-ROM version, or the single DVD-ROM version) into your drive. The game would spin the disc, read a specific sector, and only boot if the data was present.