Barber Of Schizzville
Shave the Orbiddles from 8 Astramoebas on a level, without destroying Astramoebas or losing a life.
20 
Schiz Hunter
Destroy 30 Schizzes on a single level, using powerups and without losing any lives.
20 
One Mind, Two Goals
Earn 20 silver or gold medals in Uberschizoid mode.
20 
Schizoid Sensei
Earn 10 medals (any combination of gold, silver, and bronze) over Xbox LIVE.
20 
Huevos Done Naked
Gold level 47 ("Los Huevos") without activating any powerups.
20 
Seafood Buffet
Destroy 2500 Scorpios.
20 
Corpus Callosum Severed
Complete level 119 ("Ragnarok") in Uberschizoid mode.
20 
Playing The Field
Play a game in each mode - Xbox LIVE, Local Co-Op, Wingman Bot Training, and Uberschizoid.
15 
21st Century Schizoid Man
Complete level 21 ("Tyger Tyger") either in Local Co-Op, Xbox LIVE, or Uberschizoid.
15 
Wired
Destroy an enemy with a razorwire.
10 
Sploderific
Destroy all enemies on level 12 ("Smartbomb") with a single smartbomb.
10 
Flitt Breeder
Get a gold medal on level 5 ("My Man Flitt") without destroying any Flitts.
10