Impossible 10

Game Description
Combine connected groups of 2 or more blocks with the same number to create a new block that is one greater than that. The goal is to reach 10 and then play until you run out of moves?
How to Play
Click on a connected group to highlight it. Then click again to combine the blocks. Where you click is very important because that's where the new block will be placed. osition the new block in a way that connects it to other like blocks.
Tags
puzzle, numbers
Skills
logic, strategy, reasoning with numbers, decision making