3.33%
Troglobite
Survive all the waves in Cavern on Insane difficulty.
3.33%
Teacher's Pet
Survive all the waves on Aftermath on Insane difficulty.
3.33%
Running in Circles
Survive all the waves on Complex on Insane difficulty.
3.44%
Like a Hawk
Survive all the waves on Whirlpool on Insane difficulty.
3.44%
You're in the jungle, baby!
Survive all the waves on Glade on Insane difficulty.
3.44%
Glory and Riches Await
Survive all the waves on Chasm on Insane difficulty.
3.55%
I AM INVINCIBLE!
Survive all the waves on Facility on Insane difficulty.
3.55%
Isra-Felled
Survive all the waves in Yogscave on Insane difficulty.
3.66%
...And Make It Double!
Survive all the waves on Slums on Insane difficulty.
3.66%
Perfectionist
Finish a level on Insane difficulty with 100% Core Life remaining.
3.66%
Big Guys Require Big Guns
Kill 1500 Tanks.
3.66%
CEO
Survive all the waves on Corporation on Insane difficulty.