Build a tower by with variously shaped blocks. Prevent the tower from collapsing. Defend it from the incoming projectiles. The size of your tower when the timer expires determines the amount of points you get.
Use weapons to defend yourself from the enemies barring your path to the end of the level.
Take a quiz to determine the strengths of your character. Next, customize your character. The game ends after you have completed character customization.
Click the donut to earn money. Use money to buy money-making upgrades. Make as much money as possible.