RGB Tower - the puzzle -

You have to tap all blocks within a limit time.

< How to play >

1. Tap blocks in the order of red, green, blue. You don't need to tap gray blocks then.

2. Almighty block <☆> can be any block (red, green, blue). But you can't use it continuously.

3. Tap all blocks within a time limit! And aim for upper level!

Good luck!