Voxel game-creation platform with easy modding and game creation
The Ren'Py Visual Novel Engine
A refreshingly simple data-driven game engine built in Rust
Multi-platform 2D and 3D game engine
Godot Minimal Theme
Open game and rendering engine packed into a JavaScript framework
Python MUD/MUX/MUSH/MU* development system
Magic Another Game Engine
A retro game engine for Python
Free game engine for development of desktop, mobile, and web games
3D game engine with lua scripting
Portable version of the incredible Godot Game Engine
All-in-one game engine built on Godot. Roblox & UEFN alternative
Game engine supporting many 3D/2D formats and graphic effects
Haskell game engine library for roguelike dungeon crawlers
Modified source engine (2017) developed by valve and leaked in 2020
A game engine for console based text games
Mini game engine for games104
State Management and Multiplayer Networking for Turn-Based Games
A high speed C++17 Vulkan game engine
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Vivid is a modern C++ 3D engine using OpenGL4+
Data-oriented and data-driven game engine written in Rust
Web powered cross-platform 3D, WebXR game engine