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