6Sixes Sliding Number Puzzle
Highly addictive sliding number puzzle!
This version is Ad free and has 6Sixes unlocked, plus includes the Undo button on 5Fives and 6Sixes.
Slide left, right, up or down to move all of the tiles in that direction. Combine Two 2s to create a 3, three 3s become a 4, and so on. Can you achieve 6Sixes in a row and achieve the ultimate feat?