Being on time to things
Spent a lot of time hiding in the bushes
Killed opponents while unarmed
Squishing several opponents with moving blocks
Shattered a lot of frozen enemies
Killed a lot of enemies with fire
Regularly killed yourself with the explosive boomerang
Dodged a lot of boomerangs
Killed many opponents with the telekinesis powerup
One of your "teammates" killed you
Telefragged an opponent
Mastered the disguise powerup
Killed an opponent after dying