This is a cross-platform game running on Android, PC and Mac (iOS has not been tested due to lack of hardware).
The main purpose of this game is to help you to train your space vision. You need to place colored bricks on top of either the pillars, or other bricks with different colors. There are 20 different levels to test your skills and keep your space vision fit, from very easy with fewer pillars to hard with lots of pillars.
As there is no point of racing with anyone, there is no time limit during playing, so take your time!
The game is completely free with no hidden microtransactions.