Cross-Platform Game Engine
Modern data-oriented real time renderer & physics simulator
An open source version of a game engine developed by Croteam for the classic Serious Sam games.
Ka3D is a game engine developed by Kajala and used in many Rovio products
Renderer/GameEngine with Direct3D12
NHN NEXT Game Engine
A basic 2D game engine that builded on SDL2.
Cross-Platform High Performance 2D/3D game engine for people like me who like to write code.
[WIP] Spatial is a cross-platform C++ game engine.
Cross-Platform C++ 2D/3D game engine
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
Dora Project, Special Super Rare Edition.
Everything I am (was...) passionate about - the best game engine ever
A Python-powered RPG Engine
Lightweight Game Engine/Framework in C++17 with WYSIWYG Editor. Experimental C# bindings.
Open-source, cross-platform, C++ game engine for creating 2D/3D games.