Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
|Achievement||How to unlock|
| Get Them Out of Our Schools (10)||Eliminate 10 Scientists and stop them from spreading their filthy lies. |
| Master of Controls (10)||Master the mastery of controlling your controls. |
| You're the Best Around! (25)||Complete the Single Player game. |
| A Little Help from Your Friends (25)||Complete the Multiplayer game. |
| Omaha Steaks®, Delicious! (15)||Create 5,000 filets. |
| Not a Portal Reference (25)||Collect all 47 cakes in Single Player mode. |
| Sugar High (25)||Collect all 47 cakes in Multiplayer mode. |
| Get Over Yourselves (10)||Select "Credits" from the "Help & Options" menu and watch the whole thing. |
| Only Gandhi Would Be Proud (10)||How long can you handle being a pacifist? |
| Lay Off the Caffeine (10)||Let your hyper little brother play the game for a bit. |
| All Hail The Splode King (25)||Complete the Single Player game in Hardcore mode. |
| Eventual Destruction of a Galaxy (10)||Be on the lookout for an old friend.|
Master of Controls: At the main menu, go to 'Help & Options' then select 'Controls'. Select any of the 'SPLODE' buttons (A, B, Y or X) and then scroll with the D-pad. The only other options is 'SPLODE' anyway, so once you've changed, back out of the button option and you should unlock this achievement.
Only Gandhi Would Be Proud: Go through a whole level without eliminating a Scientist.
Lay Off the Caffeine: 'SPLODE 300 times in one level.