Fifteen

Fifteen it's a classic sliding puzzle game. The game was made in early 2012 (03.30.2012).

Game consist of a 4x4 tiles field of numbered square tiles in random order with one tile missing.
The object of the game is to place the tiles in order by making sliding moves that use the empty space.
But be careful - the time is limited!
You get points for each movement of tiles and the remaining time at the end of the game.