Simulators

Dust Racing 2D – traditional top-down car racing game. Free and open source game

EmptyEpsilon is a spaceship bridge simulator game where you act as bridge officers. A free and open source game

Pong Yesser Studios is a table tennis game, a clone of Pong. A free and open source game

YSoccer is a soccer game that will be a continuation of the fun and easy game series Sensible World of Soccer. A free and open source game

OpenRCT2 is a re-implementation of RollerCoaster Tycoon 2 (RCT2). A free and open source game

Tennix is a single and multiplayer 2D tennis game. A free and open source game

TrackMania Nations Forever is a free multiplayer online racing game

BillardGL – free and open source 3D pool game for one or two players

X-Moto is a free and open source multiplatform 2D motocross platformer game, a 2D motorcycle trial simulator

Frets on Fire is a free and open source multiplatform game where the player simulates the performance of a musical composition using the keyboard