Endless Infinite Mode (works in Single and Multiplayer)

⭐ — (64 endorsements) 📥 9,825 downloads 📌 v2.4 📅 4/15/2026
🟡 Updated this year

By KYL3R · Gameplay

⬇ Download Mod Source: Nexus Mods ↗ 📅 Updated: 7/4/2026 📅 Created: 4/15/2026

🔍 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!

  • []Singleplayer  ✅[/]

    []Multiplayer ✅[/]

    []Main Branch ✅ [/]

    [] Branch ✅ [/]

    []inofficial mobile port version found on apk vision✅[/]

    []Linux ✅[/]

    • []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. [/]

      • []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[/]

🤖 AI-enhanced — based on mod data

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

Adds an endless mode to Slay the Spire
Works in both single-player and multiplayer
Created with AI assistance (Codex GPT 5.5)

📊 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
🎯 Is This For You?
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.
📦 Install:Easy· Under 1 minute

💡 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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