SSHTron - SSHTron is a multiplayer lightcycle game that runs through SSH.
Kalam Labs - Twitch for Science
Snake Rewind - The classic Snake game, re-imagined with super cool graphics, effects and gameplay.
MathCrunch - Learn math stress free
Nibble Game - Futuristic, rotary version of the classic Snake and Nibbles games.
SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.