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game-recon

Figure out how a specific installed game can be modded, before writing any mod code. Covers where it's installed, the engine and version, managed vs native code, anti-cheat, loaders already present, save and config folders, and the community's modding route. Use when the user asks "can I mod <game>?", "what engine is <game>", "how do people mod <game>", or at the start of any modding task. Produces MODDING_PLAN.md.

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SKILL.md(原文)

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Game recon

Goal: in about five minutes, know what you're dealing with and which route to take. Write the answer down so every later step can rely on it.

0. Has another agent been here?

um kb search "<game>" (and the engine name). A field note in the shared knowledge base can hand you the working versions, the route, and the gotchas before you touch anything. See the share-field-notes skill.

1. Find it and fingerprint it

um scan --list                 # Steam, Epic and Xbox installs (Windows, WSL, Linux, macOS)
um scan "<name or folder>"     # engine, version, exes (.NET?), anti-cheat, loaders, mod folders, saves, routes
um scan "<game>" --json        # the same, machine-readable

um lives at bin/um in the universal-modder repo (plugins and clones put it on PATH). Anywhere else: uv tool install git+https://github.com/rehan-remade/universal-modder.

um scan reads files only. It indexes the install (bounded), sniffs PE headers, the Unity/Godot/GameMaker headers and the Unreal version string, maps known games to their community loader, and points to the playbook to read: skills/mod-any-game/references/engines/<engine>.md.

The scan can't see everything, so check these by hand:

  • Game not in a store library (GOG, itch, a standalone folder): pass the folder path.
  • Several engines' signals: launchers and web helpers are common. The top score wins, but read the "also" line.
  • Anti-cheat installed elsewhere: kernel drivers (Vanguard's vgk.sys) and launcher-level protection don't live in the game folder. Search "<game> anti-cheat".
  • Online-only or live-service games: treat them as protected even if nothing was detected.

2. Research the living community (always; versions move)

Search, in order:

  1. "<game> modding" / "<game> mod loader" / "<game> modding wiki". The game's wiki often has a modding page.
  2. Nexus Mods (most popular mods show which frameworks they depend on), Thunderstore (Unity games: BepInEx packs), mod.io, the Steam Workshop (does the game have one? um scan shows installed Workshop content).
  3. GitHub: "<game> mod", "<game> modding api", "<game> decompile", "<game> sdk", "<engine> mod loader".
  4. Recent posts (X/Reddit/Discord announcements) for new frameworks. The loader might be days old.

Capture: the loader's name, repo, current version and install steps, the game versions it supports, a "hello world" example mod, and where logs go.

3. Decide

  • Can it be modded safely? Look at anti-cheat, online-only parts, the EULA or mod policy, and the ownership checks that loaders rely on (see skills/mod-any-game/references/safety.md). If not: say so, and offer what is possible (official tools, offline modes, a different game with the same idea).
  • Route: loader API > data/asset mod > managed patching > native hooks > reimplementation/mashup. Pick the first that reaches the user's idea.

4. Write MODDING_PLAN.md

# <Game> modding plan
- Install: <path> (<store> <appid>), version <x>
- Engine: <engine + version>, code: managed .NET / IL2CPP / native, 64-bit
- Anti-cheat / online: <none | what + verdict>
- Saves: <path>   Config: <path>   Logs: <path>
- Community route: <loader vX.Y (repo)>, install: <steps>, example mod: <link>
- Chosen route for "<idea>": <route> because <reason>
- Lab plan: backup <folders> (um backup), lab profile <how>, windowed <how>
- Unknowns to resolve first: <list>

Then continue with the mod-any-game loop (lab setup → source of truth → vertical slice).

レビュー

まだレビューはありません。使ってみた感想をお寄せください。

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概要と使いどころ

Turn generated or hand-made art into exactly what a game engine loads. Covers sprite cutout, trim and nearest-neighbour fitting to frame sizes, pixelation to a palette, sprite sheets and strips, player/team-colour masks, seamless textures, and rendering a 3D model into sprite frames from the game's own camera (isometric/RTS 8 or 16 headings, side view, top-down) with Blender. Use after generating assets, or when the user asks to make sprites, sprite sheets, animation frames, isometric unit sprites or icons for a game.

日本語の概要は準備中です。原文の説明を表示しています。

rehan-remade/universal-modder7,2432026年10月13日 更新

Generate game assets with fal (fal.ai) through the fal MCP server, the `um fal` CLI (REST) or `fal api`. Covers sprites and icons with transparent backgrounds, consistent variants and animation frames, pixel art, seamless textures, PBR material maps, image-to-3D models, remeshing, auto-rigging, sound effects, music, voice lines, and trailer or cutscene video. Use whenever a mod needs new art, audio or 3D models, or the user mentions fal, generating sprites, textures, models, SFX or music for a game.

日本語の概要は準備中です。原文の説明を表示しています。

rehan-remade/universal-modder7,2432026年10月13日 更新

Launch, see and drive a real game so an agent can test its own mods. Covers launching via Steam or the exe, windowed mode at a fixed size, screenshots of the game window (GPU-safe capture), clicking and typing into menus, holding keys, relative mouse, crash-reporter cleanup, killing by PID, reading logs, scripted test scenes, and an in-game JSON bridge that lets an agent observe and act. Windows-first (also from WSL), with notes for Linux and macOS. Use when a mod must be verified in game, when navigating menus automatically, or when building a repeatable test or demo scene.

日本語の概要は準備中です。原文の説明を表示しています。

rehan-remade/universal-modder7,2432026年10月13日 更新

Research a game, engine or modding technique on the open web with archive-aware, rate-limit-safe searches — Wayback Machine/archive.today for dead forums (XeNTaX, Zenhax, old threads), GitHub code/repo search, Nexus/Steam Workshop/Thunderstore APIs, Reddit JSON, YouTube transcripts, plus archive snapshots as evidence. Use when starting work on a game ("how did people mod X before?"), when a documented tool/link is dead, when forum threads are login-gated (semi-auto handoff to the human), and before writing a field note so claims carry source URLs.

日本語の概要は準備中です。原文の説明を表示しています。

rehan-remade/universal-modder7,2432026年10月13日 更新

Build cross-game mashups and total conversions, the "Minecraft inside Elden Ring" or "skateboarding in MW2" kind. Covers passthrough mods (two games running at once and exchanging state, rendering and collision), porting one game's content or mechanics into another, embedding a decompiled game as a library, and clean reimplementations that read the user's own game files. Use when the user wants to combine two games, bring an enemy, mechanic or world from one game into another, or rebuild a game's runtime, or reimplement the guest's rules headless inside a real host.

日本語の概要は準備中です。原文の説明を表示しています。

rehan-remade/universal-modder7,2432026年10月13日 更新

Mod a PC game the user owns, taking an idea to working in the real game and recorded. It covers new items, weapons, enemies, bosses, units, civilizations, mechanics, art, sound, VR and cross-game mashups. Use when the user wants to mod, extend, hack on, reverse engineer or mash up a game ("add a nuke to Terraria", "make a new civ for Age of Empires", "put Minecraft inside X", "can I mod this game?"). It covers recon (engine, loaders, anti-cheat), choosing the route, a safe lab, a first vertical slice, fal-generated assets, in-game verification and a showcase clip.

日本語の概要は準備中です。原文の説明を表示しています。

rehan-remade/universal-modder7,2432026年10月13日 更新

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