PCPC · 2019 · Roguelike deckbuilder
Slay the Spire
Slay the Spire (PC, 2019) has code that decompiles almost back to source, kiooeht/ModTheSpire, and 13 other public projects, including an open-source reimplementation. An agent environment already wraps it.
Data checked 2026-10-12 · unbaked registry
Projects
External mod loader for Slay The Spire
Mature; thousands of Workshop mods; BaseMod API (daviscook477/BaseMod); GitHub
Slay the Spire mod that provides a protocol for allowing another process to control the game
GitHub
C++ reimplementation for fast tree search/RL (RNG-accurate)
Slay the Spire - in an automated way
GitHub
Slay the Spire simulator using C++ with some reinforcement learning
GitHub
A learned non-combat policy for Slay the Spire on sts_lightspeed: +11 floors over the stock MCTS bot, plus six honest negative results on distilling combat into networks
GitHub
A bot that plays Slay the Spire using LLM. 一个使用 llm 自动游玩 Slay the Spire 的机器人。
GitHub
Slay the spire reinforcement learning project
GitHub
Slay the Spire simulator and recurrent PPO agent; verified A20 Act1 training through 90M decisions.
GitHub
MCP server bridging Claude to Slay the Spire via CommunicationMod - AI co-pilot for strategic advice
GitHub
GitHub
[ICML 2026] GameVerse: Can Vision-Language Models Learn from Video-based Reflection?
ICML 2026 (arXiv 2603.06656); 15 games total incl. snake/2048/tic-tac-toe/maze/demo
Java jar trivially decompilable; ModTheSpire/BaseMod; CommunicationMod gives stdin/stdout JSON protocol
Commercial/indie or freeware Java game packaged in PortMaster (main) as slaythespire, updated 2026-06-09; needs user game files
What you need
You need your own copy of the game: these projects ship code only.
Agent environments
Same toolchain
More on PC
Found via daviscook477/BaseMod, store.steampowered.com/app/646570/, ForgottenArbiter/spirecomm, lhy-loveworld/rusted-spire, XlousMao/STS-AI-Master
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.