A Space-Flight Simulator, divided into two parts. The first is sapphire-fx, a scriptable particle-engine for OpenGL. The second is the game and game engine iteself.

a justly deserved penalty

The act of requiting; also, that which requites; return, good or bad, for anything done; in a good sense, compensation; recompense; as, the requital of services; in a bad sense, retaliation, or punishment; as, the requital of evil deeds.

an act of requiting; returning in kind