Tap the screen to change the direction of falling box, and try to land them on other box, not the ground and you are good to go.
** UPDATE August 18th 2016 **
- Replace annoying high pitch sounds by better ones
** UPDATE August 12th 2016 **
- Fix some minor physic bugs
- Now you can gaining XP by playing
- Reduce time waiting for the first box
This game is free and free of ads, too. If you enjoy it, please consider buying the paid version (it has more box skins). This means a lot to my family, and help me making more games like this.
Thank you so much :)