Trebuchet
Not unlocked yetDestroy 50 Tower type enemies.
Stars My Destination
Not unlocked yetComplete all stages with at least 3/6 Stars score.
You're an All-Star
Not unlocked yetComplete all stages with the 6/6 Stars score.
Money, Money, Money
Not unlocked yetCollect 100 000 units of Crystal Energy
Critical Mass
Not unlocked yetFinish a stage with critical health level
Last Man Standing
Not unlocked yetFinish a stage when one character is down
I've Got The Power!
Not unlocked yetBuy all upgrades of a single power
Turret Syndrome
Not unlocked yetBuy all upgrades of a single turret
Unlimited Power!
Not unlocked yetBuy all upgrades to all the powers
Master Engineer
Not unlocked yetBuy all upgrades to all the turrets
And you, Brutus?
Not unlocked yetKill your partner
Rise, Lazarus!
Not unlocked yetRespawn your partner
I'm a Big Boy now!
Not unlocked yetCompete a level without building turrets
Overpowered
Not unlocked yetCompete a level without buying powers
Three-Way Pwnage
Not unlocked yetCreate at least one PWNAGE of each kind during a stage
Barrel Master
Not unlocked yetCreate a PWNAGE of your choice with a barrel
1UP!
Not unlocked yetLevel up during a stage
Super Cye-an
Not unlocked yetCharge Cye's Boost bar completely and use it
Cye-pper
Not unlocked yetReach the limit of planted traps in a stage.
Chrome the Destroyer
Not unlocked yetCharge Chrome's Boost bar completely and use it
Chrome The Builder
Not unlocked yetReach the limit of built turrets in a stage.
The Beat-em-alls
Not unlocked yetBeat all levels