Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
Updated 2026-10-11 21:28:37 +00:00
Defold is a completely free to use game engine for development of desktop, console, mobile and web games.
Updated 2026-10-11 21:25:42 +00:00
A refreshingly simple data-driven game engine built in Rust
Updated 2026-10-11 21:25:36 +00:00
Godot Engine – Multi-platform 2D and 3D game engine
Updated 2026-10-11 21:25:35 +00:00
Stride (formerly Xenko), a free and open-source cross-platform C# game engine.
Updated 2026-10-11 18:37:11 +00:00
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
2d-game
2d-game-engine
3d
3d-game
3d-game-engine
game
game-development
game-engine
gamedev
gamemaker
gdevelop
hacktoberfest
html5
html5-game-engine
javascript
multiplayer
no-code
open-source
vibe-coding
Updated 2026-10-11 18:04:30 +00:00
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
command-and-conquer
cross-platform
csharp
dotnet
dune-2000
engine
game
game-engine
hacktoberfest
openra
real-time-strategy
red-alert
rts
strategy-game-engine
tiberian-dawn
Updated 2026-10-11 14:29:16 +00:00
fheroes2 is a recreation of Heroes of Might and Magic II game engine
cpp
game
game-development
game-engine
heroes-2
heroes-of-might-and-magic-2
heroes-of-might-and-magic-ii
homm-ii
homm2
strategy-game
turn-based-strategy
Updated 2026-10-11 12:25:48 +00:00
Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation
Updated 2026-10-10 12:06:23 +00:00
Flax Engine – multi-platform 3D game engine
Updated 2026-10-09 14:21:22 +00:00
GDevelop (BYOK Edition) — Open-source 2D/3D game engine with Bring Your Own Key, Local AI (Ollama, LM Studio, DeepSeek, OpenRouter), Unlocked Pro Features & In-App Auto-Updates.
ai-agent
byok
deepseek
game-engine
gamedev
gdevelop
html5-games
lmstudio
local-ai
no-code
no-watermark
offline-first
ollama
openai-compatible
openrouter
Updated 2026-10-09 06:33:17 +00:00