A fun spelling game that uses your computer's microphone rather than keyboard in order to play allowing you to buff up on your pronunciation.
Spell Up
Harmogram
Harm0gram - Another awesome Google Chrome audio-visual experiment this time created by designer Adrian le Bas.
Graffiti General
Check out another awesome Chrome experiment into an abandoned building near Paris and the countless graffiti works to be found there.
Stars
An interactive 3D visualization of the stellar neighborhood, including over 100000 nearby stars.