Controls: Use your arrow keys to move the tiles. When two tiles with the same rank touch, they merge into one! The ranks used in this game are: Y,T,L,M,K,G,F,A,B,O, which goes to higher surface temperature.
Astro Facts:
Oh, Be A Fine Girl, Kiss Me! Love To You!is the easy way, however inversed, to remember the classification of stellar objects. Don't blame the astronomers for they always make up strange things.
Note: This is a fork from https://github.com/aenon/aenon.github.io created by Aenon.