Various things for PSX (PlayStation 1, PSone)
Xash3D FWGS engine
OptiScaler bridges upscaling/frame gen across GPUs
Open source library for N64 development
Multi Theft Auto is a game engine
The HTML5 Creation Engine
Fast PlayStation 1 emulator for x86-64/AArch32/AArch64
DeSmuME is a Nintendo DS emulator
Open source library for creative expression on the web, desktop, etc.
An open source Minecraft reimplementation written from scratch
3D Engine c++
Vivid3D is a C++ IDE/3D engine, with python scripting.
realistic driving simulation + functions for 2D/3D graphics
3D driving simulation based on Open Dynamics Engine
A modern re-implementation of the classic DOS game Duke Nukem II
Mini game engine for games104
Engine remake of the game "Radix: Beyond the void"
Source port of Doom, Heretic, Hexen and Strife developed in Delphi
Source port of the game "Mars - The Ultimate Fighter"
Source port of the game Doom developed in FPC/Lazarus
Ms Dos port with slopes 3d floors true3d demo compatibility fast speed