Kill an enemy with infighting

Bomb enemy kills multiple enemies

Play the game at 1:11am

Push enemy into projectile when time is stopped

Use spikes to kill five enemies in one stage.

Hit two enemies with your laser twice in a row

Phase 20 times in 1 minute

Beat game without taking damage

Bump 1000 walls

Find all secrets in the game

Rescue all 111 scientists

Spend half-an-hour in time-stop