Open-source alternatives to RigelEngine

OpenJazz is a free, open-source version of the classic Jazz Jackrabbit™ games.

Anura Engine

Unofficial source port for Blake Stone series

Zelda Classic is a game and editing tool that lets you create custom Legend of Zelda quests.

CatacombGL is a source port with OpenGL graphics for Catacomb 3D (1991), The Catacomb Abyss (1992), The Catacomb Armageddon (1992) and The Catacomb Apocalypse (1993).

Cross-platform port of Arx Fatalis, a first-person role-playing game

| | :---: | | |

Banjo: Recompiled is a project that uses N64: Recompiled to statically recompile Banjo-Kazooie into a native port with many new features, enhancements, and extensive mod support. This project uses RT64 as the rendering engine to provide graphical enhancements.

A high-fidelity reimplementation of Crimsonland v1.9.93 (2003, GOG "Crimsonland Classic") in Python raylib, paired with deep reverse engineering of the original Windows binary.

Bevy is a cross-platform game engine and framework built in Rust, designed for creating interactive simulations and graphical applications. It utilizes a data-oriented entity-component-system architecture to manage game state, organizing data into contiguous memory blocks to facilitate high-performance processing and massive parallelization of entities. The engine distinguishes itself through a modular plugin architecture and a system-based task scheduler that automatically parallelizes logic by analyzing data access patterns. By employing reactive change detection and deferred command buffer

High-performance QuakeSpasm fork

DOOM Retro is the classic, refined DOOM source port for Windows PC. It represents how I like my DOOM to be today, in all its dark and gritty, unapologetically pixelated glory. I have strived to craft a unique and cohesive set of compelling features, while continuing to uphold my respect for that…

ClassiCube is a custom Minecraft Classic compatible client written in C from scratch. ClassiCube is not affiliated with (or supported by) Mojang AB, Minecraft, or Microsoft in any way. ClassiCube is not trying to replicate modern Minecraft. It will never support survival, Minecraft accounts, or…

This is open source Grand Theft Auto 1 remake project.

Join us on Discord!

Open Source role-playing game engine for Taleworlds' Mount&Blade Series written in C# using Ogre3d Engine.

A remake of the 1995 RPG Albion

Classic overhead run-and-gun game

A collection of classic arcade game remakes built with C++ and SFML. This project serves as a demonstration of game loop fundamentals, object-oriented design, and clean inter-file communication.

DDraceNetwork, a free cooperative platformer game

Open-source Jazz Jackrabbit 2 reimplementation

DGEngine is an implementation of the Diablo 1 game engine.

1. Import Project in IntelliJ

This is an in-progress modern open-source engine for the 1994 DOS game The Elder Scrolls: Arena by Bethesda Softworks. The goal is to replicate all aspects of the original game with a clean-room approach while making quality-of-life changes along the way. Details on Arena's inner-workings can be…