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Monster Rancher 2 Recompiled

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Static recompilation of Monster Rancher 2 built on psxrecomp and recomp-ui.

Monster Rancher 2 recompiled for modern systems using psxrecomp.

Players	2
Region	USA
Publisher	Tecmo
Year	1999

Scaffolded with the New Project Layout. See psxrecomp/docs/GAME_PROJECT_SETUP.md for the full flow.

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RetComM Launcher

You can run this title standalone (release zip + the built-in recomp-ui Generate & Build flow), or manage installs, updates, ROM/BIOS wiring, and queued builds more intuitively with RetComM Launcher — the Retro Compilation Manager hub for self-compiling recomps.

Downloads · Full README & features

<p align="center"> <img src="https://raw.githubusercontent.com/TechnicallyComputers/RetComM-Launcher/main/docs/screenshots/hub-and-game-launcher.png" alt="RetComM hub with a background build, next to a title’s recomp-ui launcher" width="720"> </p> <p align="center"> <img src="https://raw.githubusercontent.com/TechnicallyComputers/RetComM-Launcher/main/docs/screenshots/queue-and-background-build.png" alt="Background cmake build with titles queued" width="720"> </p>

RetComM checks for updates, rebuilds with existing build data when possible, uses the same platform build tools as per-title launchers, and automates BIOS/ROM/save plumbing so you are not stuck repeating each game’s wizard by hand.

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Legal

You must own the original game. Disc images under disc/ are gitignored and must never be committed. This package requires a legal SCPH-1001 BIOS dump. OpenBIOS is not supported. Retail BIOS dumps are not redistributed.

License

Project-owned source, scripts, configuration, and documentation use GPL-3.0-only. See LICENSE.

This license does not cover Monster Rancher 2 content, generated retail code, artwork, names, or trademarks. PSXRecomp remains under PolyForm Noncommercial 1.0.0. recomp-ui remains under MIT. See THIRD_PARTY_NOTICES.md and each submodule license.

Default app icon: assets/psxrecomp.ico (and .png / .svg) — RetComM-themed controller mark from psxrecomp/assets/. Windows builds embed it via APP_ICON.

Optional box art under launcher_assets/img/ may come from libretro-thumbnails (Named_Boxarts); see BOXART_SOURCE.txt when present.

Quick start (dev)

git submodule update --init --recursive
./psxrecomp/tools/ci/build_emitters.sh
python3 psxrecomp/psxrecomp_cli.py generate \
  --config game.toml --project-root . --disc disc/<your>.cue \
  --bios /path/to/SCPH1001.BIN
cmake -S . -B build-release -G Ninja -DCMAKE_BUILD_TYPE=Release
cmake --build build-release --target psx-runtime

Zip prefix for CI artifacts: monster-rancher-2-recomp.

Validation

The source repository keeps release evidence in docs/VALIDATION.md. A build is not a public release until its exact package passes every listed gate. A headless boot test does not replace a full gameplay test.

Symbols

Progressive map: symbols.toml → python3 tools/sync_symbols.py → psx_symbols.h (PSX_FN_*). See psxrecomp/docs/SYMBOLS.md.

Framework pins

Submodule gitlinks (psxrecomp, optional recomp-ui, nested recomp-net) are authoritative. framework_pins.txt is an optional scaffold snapshot; release CI logs SHAs with record_pins.sh but builds whatever the gitlinks resolve to. Bump submodules deliberately — do not float on main/master in release CI.

About this project

These ports are developed by a hobbyist (a DevSecOps engineer, not a game programmer) with substantial AI assistance. Every change is validated before it ships. The checks include boot gates, hardware-oracle comparisons, deterministic probes, and a shared findings registry. AI writes most of the code. The evidence decides what stays. Bug reports are welcome.

In short: AI writes the code, but I always test it before I publish it.

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v0.1.1 three-platform candidate

This candidate targets Windows x64, Linux x64, macOS ARM64, and macOS x64. These setup packages require your legally owned game disc and a supported regional retail BIOS. They remain unpublished until their exact package tests and release authorization pass.