Stack Up is a free Android game developed by Advenworks. The game is a simple yet addictive one where you have to jump and stack blocks while avoiding enemies or attacking them. The game has easy-to-understand controls where all you have to do is tap to jump.

In Stack Up, you have to jump to stack the blocks and kill your enemies. The game also features a fever mode where you get five consecutive perfect jumps. However, you have to be careful of sudden attacks from the boss. The game features different levels, and you have to complete each level to kill the boss.

Overall, Stack Up is a fun and engaging game that can keep you entertained for hours. With its simple controls and addictive gameplay, it is a great game for casual gamers looking for a quick fix.