2048

2048 is the game for you to love numbers. The game is arranged in a 4x4 grid.

Select a corner and set it to get the highest number in that cell.
Link numbers with the same value in the same row or column, moving the numbers appropriately. Don't stop, continue to create space and increase the value of the number.
Once the tiles are filled, the game is over.
Use arrow keys to move.

Free, simple game, for everyone.