The free puzzle game block: star gem is a fun and challenging brain training game! The goal is to fill the board with jewels and earn as many combo bonuses as you can.

To start playing, simply tap the screen to place the blocks and rotate them to place them in the desired position. Once you're done, you can tap on the screen to remove all of the blocks.

The game is a simple and easy way to improve your spatial intelligence and reflexes! If you're looking for a relaxing puzzle game, this one is a must! It's a perfect fit for all ages!

The gameplay is easy to understand and very easy to play, even for beginners.