Endless Infinite Mode (works in Single and Multiplayer)
🟡 Updated this yearPreview

🔍 Analysis
- 👍 0.7% endorsement rate
- 🏆 #44 of 748 Gameplay mods in this game by downloads
📋 About This Mod
♦ Endless Gamemode!
♦ Restart in Chapter 2 Act 1 after visiting Architect after act3 bossfight.
♦ Enemies and NEOW Rewards get rerolled per chapter
♦ Bosses get rerolled
♦ Each Chapter increases Ascension by 1, caps at 10. Chapters can increase infinitely though.
♦ Relics are collapsible. Relics are sorted (relics with numbers are shown first). Some relics show "0/3" instead of "0".
♦ Damage and HP scale across Chapters, you can configure it in the ".config" file!
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[]Singleplayer ✅[/]
[]Multiplayer ✅[/]
[]Main Branch ✅ [/]
[] Branch ✅ [/]
[]inofficial mobile port version found on apk vision✅[/]
[]Linux ✅[/]
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[]1. 0 Mod Release[/]
[]1. 1 Fix to work with Version 0. 103. 2[/]
[]1. 2 UI improvement[/]
[]1. 3 Added ".config" File for players to customize HP and DMG Scale of enemies in higher chapters.[/]
[]1. 4 Fixed Chapter-Reset so it now works with "Custom -> Sealed Deck" option.[/]
[]1. 5 Fixed Savegame disappearing on lanuch.[/]
[]1. 6 Mod is now compatible with the unofficial mobile port version (on apk vision)[/]
[]1. 7 Relics are now sorted (the counting relics are shown first) and collapsible (3 lines of relics annoy your sight otherwise)[/]
[]1. 8 Fixed " 'MegaCrit. Sts2. Core. Combat. CombatManager. IsPlayPhase' not found. " Error that only appeared in Branch[/]
[]1. 9 Fixed Savegame disappearing on lanuch (this time for Multiplayer). [/]
[]v2. 0 for v0. 103. 2(main) v0. 105. 1(beta): Added Linux support. Fixed Ancients (Act1 will always be NEOW, but other acts change)[/]
[]v2. 1 for v0. 103. 2(main) v0. 106. 1(beta): the latest 106. 1 caused a blackscreen after NEOW in chapter2_act1 - fixed now. Also fixed more SteamCloud issues.[/]
[]v2. 2 for v0. 103. 2(main) v0. 106. 1(beta): fixed an issue where you could not pick up relics.[/]
[]v2. 3 fixed enemy HP scaling, fixed Multiplayer Chapter Scaling[/]
[]v2. 4 fixed "continue (endless)" button for Multiplayer at the architect. [/]
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[]Host & joining players need the mod![/]
[]Drop "codex.sts2.endlessmode.dll" and "codex.sts2.endlessmode.json" and "codex.sts2.endlessmode.config" in
C:\Program Files (x86)\Steam\steamapps\common\Slay the Spire 2\mods (creade 'mods' folder if requried)[/]
[]If you want to play with your epochs unlocked, copy the "profile1" folder from
C:\Users\%USERNAME%\AppData\Roaming\SlayTheSpire2\steam\YOUR_ID\profile1toC:\Users \%USERNAME%\AppData\Roaming\SlayTheSpire2\steam\YOUR_ID\modded\profile1[/]
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[]Host & joining players need the mod![/]
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[]1. 0 Mod Release[/]
Adds an endless mode to Slay the Spire that works in both single-player and multiplayer, created by KYL3R with AI assistance. With 64 endorsements and nearly 10,000 downloads, it's a niche but popular mod for players who want to push beyond the standard run length.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Decent download count (9,825) shows real interest
- Multiplayer support is a standout—most endless mods are single-player only
- Actively maintained (last updated July 2026)
⚠️ Cons
- Only 64 endorsements, so it's not heavily vetted by the community
- AI-generated code might have quirks or balance issues
- Potential compatibility issues with other gameplay mods that alter run structure
For Slay the Spire players who want to keep climbing past the final boss, especially those who play co-op with friends. Skip if you prefer the vanilla challenge or want a polished, widely-tested mod.
💡 Beginner Tips
- If you're using the Steam Workshop, subscribe and enable the mod in the main menu before starting a run.
- In multiplayer, make sure all players have the mod installed and enabled to avoid desyncs.
- Endless mode can get chaotic—try it with a friend to share the fun and the bugs.
📊 Mod Details
- Game
- Slaythespire2 Mods
- Author
- KYL3R
- Version
- 2.4
- Downloads
- 9,825
- Endorsements
- 64
- Category
- Gameplay
- Created
- 4/15/2026
- Updated
- 7/4/2026
🧩 Commonly Used Together
Users add these mods to the same collections — a real compatibility signal, not an AI guess.
🔧 How to Install Slay The Spire II Mods
Download from Nexus Mods.
📖 Full step-by-step install guide for Slay The Spire II →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Slay The Spire II commands, item IDs, and more.
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