The 51 is a simple, fun and addictive math puzzle game. Use your math skills and try to survive as long as possible in the world of math.
How To Play:
Tap a tile to add its value to tiles around it. When a tile become 10 or 10s multiplier, you get bonus score and the tapped tile become 1,2,3,4 or 5. If any of the tiles value exceeds 50, game is over.