Enigma is a puzzle game
INSTEAD - Simple Text Adventure Interpreter.
Zoomable user interface (ZUI) with file manager, file viewers and more
a (simple) Sokoban game
Moty - logical game originally created for SHARP MZ-800 computer
General Purpose Engine for Graphic Adventures.
open-source implementation of the "kropki" (aka "tochki") game
An SDL2 based maze-game.
A remake of the classic Atomix game for modern platforms
Opensource Game Studio
KBall, game of skill and reflexes, non violent, suitable for all age
SDL-Ball is a DX-Ball/Breakout clone.
A very polished puzzle game. (Puzznic Clone)
Flipping squares will never be the same
Portable game engine with main focus on point-and-click adventures