Get Them Out of Our Schools
Eliminate 10 Scientists and stop them from spreading their filthy lies.
Master of Controls
Master the mastery of controlling your controls.
You're the Best Around!
Complete the Single Player game.
A Little Help from Your Friends
Complete the Multiplayer game.
Omaha Steaks®, Delicious!
Create 5,000 filets.
Not a Portal Reference
Collect all 47 cakes in Single Player mode.
Collect all 47 cakes in Multiplayer mode.
Get Over Yourselves
Select "Credits" from the "Help & Options" menu and watch the whole thing.
Only Gandhi Would Be Proud
How long can you handle being a pacifist?
Lay Off the Caffeine
Let your hyper little brother play the game for a bit.
All Hail The Splode King
Complete the Single Player game in Hardcore mode.
Eventual Destruction of a Galaxy
Be on the lookout for an old friend.