PROTOGENIC
C++ Backends/Libraries That Can Be Used On ESP32s And Other Things
Planet Orbit Simulator: Planets, Stars, Gravity, and more!
A lightweight software renderer with rasterization, raytracing, model and texture loading, shape keys, skinning, keyframed animations, and more. Currently also hosts a mass aggregate physics simulation, rigid bodies coming soon(TM)!
GAMES
Most of these have custom built AIs built into them that are able to play the game autonomously to a decent extent (and in some cases, to completion).
The game about sliding blocks and powers of two
Incomplete chess engine (supports basically everything except pawn promotion to non-queen pieces due to the move representation)
CFOP Rubik's Cube Solver
Simple match 3 game
Also known as Othello
Clone of the minigame Sigmar's Garden from Opus Magnum
Tetris clone
A fully functioning clone of The Witness as a backend API with support for different symbols and different grid types, as well as easy modding
Elephant Chess