Improvements and bug fixes.
Move the blocks and sum the same blocks and merge to their sum.
The goal is to get the highest blocks:
1st Goal: Get block 512 (Piece of Cake)
2nd Goal: Get block 1024 (Easy)
3rd Goal: Get block 2048 (Medium)
4th Goal: Get block 4096 (Hard)
5th Goal: Get block 8192 (Extremely Hard)
6th Goal: Get block 16384 (No one ever got this one).
Compare your results with your friends, and see who get more points and get the highest blocks.
