Top GAME GitHub Repositories & Tools (2026)

Generate clean 2D game sprites & animation atlases — component-row pipeline: state rows, alpha cleanup, frame extraction, runtime atlases. Codex/Claude skill.

Make it yours. A customizable key viewer for DJMAX RESPECT V and any game.

A refreshingly simple data-driven game engine built in Rust

Self-hosted game stream host for Moonlight.

Dynasty Warriors-style voxel action game in the browser: Zhao Yun vs 300 soldiers. Three.js, no build step.

The automation tower defense RTS

Empowering everyone to host fast and efficient Minecraft servers

rhythm is just a *click* away!

A dead simple 2D game engine for Go

Open-source Android/Desktop remake of Civ V

awesome game security [Welcome to PR]

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Lutris desktop client

Automatic, versioned game save sync across devices. Supports Steam, GOG, 20k+ games, emulators. Hoard-Cloud or Self-Host without account or telemetry. Open source (AGPL-3.0).

Custom GeForce Now Client Named OpenNOW

Puts DLSS 5 neural rendering into games that never shipped it, and brings the game's own DLSS up to date - super resolution, ray reconstruction, frame generation. Scans your library, picks one of eight routes, fetches every part from its publisher at run time, then says what happened. One exe, no admin; uninstall puts the game back.

A mod to make and play Terraria mods. Supports Terraria 1.4 (and earlier) installations

C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

Enterprise Goldsvet crypto casino engine with 100% open-source code, 2500+ slots API, sportsbook module, and zero-fee local blockchain payments.

A native Android port of Mario Kart Wii and Retro Rewind. Fast, easy.