Happy Link Blocks

This is a funny puzzle game with simple drawing. Every level, the player should choose a certain quantity of blocks (every level are difference, maximum 7 blocks), cross off the blocks in horizontal or vertical till all of the blocks clear.
With the higher level of levels, the quantity of blocks will be more and more, and it requires more deliberate plans to pass the level.
How To Play:
The aim of each level is to clear it of all blocks by drawing lines through them horizontally or vertically.
The tricky thing however is that you have to remove a certain number of blocks at the same time this way (this number show on the top and changes throughout the game).