omron++ is a pixel AI game with up to four armies of pixels fighting each other. Depending on their allegiance, vision range, and 'mob size', they will form groups of pixels (called mobs) and go hunting together.
OpenSSN is a modern submarine simulation that tries to balance fun, realism, and simplicity. Players are able to explore, detect ships, and manipulate sonar. The simulation includes enemy ships, torpedoes, and a variety of combat missions.