Guide Install !new! — Demon Deals

The Ultimate Demon Deals Installation & Beginner’s Guide Demon Deals

is a high-quality adult visual novel and RPG developed by Breadman and Zakko. The game follows a protagonist making deals with powerful demonic entities while navigating complex character relationships and a growing supernatural plot. How to Install Demon Deals

Installation steps vary depending on your platform. Always ensure you extract the files before playing to avoid save file errors. Windows & Linux demon deals guide install

: Obtain the latest version (current stable: v0.07.25) from official sources like : Use a tool like

to unzip the folder. Do not run the game from inside the zip file, as this prevents saves from being created. : Open the extracted folder and run the Demon Deals.exe (Windows) or the equivalent executable (Linux). Android (Mobile) APK Download : Download the file directly from the official developer page or trusted mirrors like Permissions : If prompted, go to The Ultimate Demon Deals Installation & Beginner’s Guide

and enable "Install from Unknown Sources" for your browser or file manager.

: Tap the downloaded APK in your notification bar or "Downloads" folder to begin installation. Devlog - Demon Deals by Breadman, Zakko - Itch.io For Call of Cthulhu (7e)

Here’s a helpful, straightforward guide for installing Demon Deals — a popular fan-made expansion or mod for Slay the Spire (though the name may also refer to other indie card games or mods; this guide assumes the Slay the Spire version).

For Call of Cthulhu (7e)

  • No boon is free. Every deal costs 1D10 SAN.
  • The demon is actually an Outer God’s facet.
  • Install Rule: The PC must roll Cthulhu Mythos to even understand the contract’s true price.

Step 4: The Signing Mechanic (The “Install” Roll)

When a player agrees to the deal, they do not roll to persuade. Instead, they roll an Insight check (or equivalent) against the Demon’s Deception.

  • Success (beat DDC by 5+): The player spots one hidden trap. The demon grudgingly removes it or reveals it.
  • Partial success (beat DDC): The player senses something is off but not what. They sign anyway or walk away.
  • Failure (below DDC): The player signs blindly. All hidden clauses apply.

This roll installs the tension. The player chooses to gamble.

The Ultimate Demon Deals Guide: How to Install the Art of Infernal Bargaining into Your Campaign

Meta Description: Looking to add high-stakes supernatural pacts to your TTRPG? This comprehensive Demon Deals Guide Install tutorial covers mechanics, roleplay hooks, and step-by-step integration for 5e, Pathfinder, and indie horror systems.

Step 1 – Install ModTheSpire

  1. Go to the ModTheSpire GitHub page
  2. Download the latest ModTheSpire-vX.X.X.jar
  3. Place this .jar file into your Slay the Spire install folder:
    • Steam default:
      C:\Program Files (x86)\Steam\steamapps\common\SlayTheSpire
    • Or right-click Slay the Spire in Steam → Manage → Browse local files