Gather 9 stars

Finish any jigsaw in less than 45 seconds

Complete a Jigsaw

Execute a first stage powerup.

Score "excellent" in the grenade range in "Atlas."

Score "excellent" in the shooting range in "Atlas."

Prevent the walking tank from being destroyed by the Drone Swarm in "Induction."

"Flip" a map twice.

Kill 1000 enemies.

Find Sam in "Mirage Barrage".

Find the Doomguy in the Level "Death Row".

Kill a Firefly Trooper while it's flying small.