Playstation Classic Project Eris Install Guide
Guide: Installing Project Eris on PlayStation Classic
Project Eris is a powerful custom firmware (CFW) developed by the ModMyClassic team. It transforms the PlayStation Classic (PSC) into a versatile retro-gaming console. It allows you to run games from USB storage, play games from other systems (like NES, SNES, Game Boy, etc.) via RetroArch, and run homebrew applications.
This guide outlines the steps to install Project Eris safely. playstation classic project eris install
4. Key Technical Features & Enhancements
| Feature | Stock PSC | Project Eris | |---------|-----------|--------------| | Emulator core | Sony-modified PCSX ReARMed (v1.4) | Latest PCSX ReARMed + RetroArch 1.9+ | | USB OTG support | No | Yes (rear micro-USB port) | | Additional consoles | None | NES, SNES, Genesis, GBA, N64, PSP, Dreamcast (partial) | | Save states | 1 per game | Unlimited (RetroArch style) | | Scanline/CRT filters | 2 (basic) | Dozens (shaders via RetroArch) | | Game compatibility | ~60% of PS1 library | ~95% (issues with heavy 3D like Bloody Roar 2) | | Multi-disc games | Manual via menu hack | Automatic (M3U playlists) | Quick Menu > Options > “PSX CPU Clock”
6.2 Overclocking for Better Performance
Some PS1 games (e.g., Bloody Roar 2, Tobal No. 1) suffer slowdown. In RetroArch: Step 6: First Boot and Navigation Once Project
- Quick Menu > Options > “PSX CPU Clock” – Increase from 100% to 110-120%. Don’t exceed 130% or you’ll cause audio crackling.
Step 6: First Boot and Navigation
Once Project Eris loads, you’ll see the EmulationStation menu.
- Navigate: D-Pad or Left Analog stick.
- Select: X button on a standard controller (or Circle on a DualShock).
- Back: O button (or Triangle).
- Start: Opens the game/system menu.
By default, you will see these systems on the left:
- PlayStation
- RetroArch (to change emulator settings)
- Project Eris Settings (to turn off the stock carousel, enable Wi-Fi, etc.)
Pro Tip: Go into Project Eris Settings immediately and turn off "Boot Stock UI." This makes Project Eris launch every time.
4. Add games
- Easiest way:
- On USB, go to
/transfer/folder. - Drag & drop
.pbp(PS1 games) or.cue/.binfiles there. - Run the PlayStation Classic → under Games, select Launch Eris Menu → Transfer games from USB.
- On USB, go to
- Or use Eris Desktop App (Windows only) for scraping art and converting.
5. Installation Procedure (Technical Walkthrough)
8.3. Running Non-PS1 Emulators
- PPSSPP (PSP): Limited – many games <20fps.
- Drastic (NDS): No official port; must use RetroArch melonDS – slow.
- ScummVM: Perfect for point-and-click adventures.
Problem: “Games crash to black screen on launch”
- Cause: Missing BIOS files or corrupt ROM.
- Fix: Double-check
USB:\bios\containsscph5501.bin. For non-PS1 games, update RetroArch cores via Project Eris menu > “Download cores”.

