Free Version.
How about a trip to the endless world of numbers?
You won't be able to stop playing this new brain teaser. As you play, new horizons will be opened in your mind.
The game is very simple. Match at least two identical or larger squares and get the largest one. You can do this forever.
The vividness of the colors and the excitement of the game will captivate you.
Explanations about numbers:
1 : One
1k : One Tousand
1m : One Million
1b : One Billion
1t : One Trillion
1qd : One Quadrillion
1qi : One Quintillion
1sx : One Sextillion
1sp : One Septillion
1o : One Octillion
1n : One Nonillion
1d : One Decillion
1g : One Googol
1gp : One Googolplex
1X : One Extremillion
1Xi : One Extrebillion
1oo : One Infitillium
ps. I made up the last three :)