Happy Block-Classic Puzzle

Happy Block is a very simple, casual and interesting Block elimination game, which you can play anytime and anywhere to pass the time easily.

How to play?
Drag the squares to fill them with Spaces.
When a row or column is filled, it is eliminated, and you get points.
If you eliminate several rows or columns at the same time, you get a high score.
When your score reaches the goal of this level, you can move on to the next level.
If there is no more space to place the block, the game will end and the level will be restarted.