At the end of the level you have to have one life.

Collect all kinds of guns.

Destroy the boss.

Complete two puzzles.

Shoot for no more than 30% of the number of rounds.

Pump character's five abilities.

Save a hundred coins.

Suffocate from gases.

Go through three races in a row without losing a life.

Kill ten enemies from explosion.

Kill ten enemies using time dilation.

Kill the enemy with a puzzle.

To kill fifteen enemies with a jump.

Littering a hundred times.

Kill three enemies with different types of guns in one room.