Full list of all 12 Splosion Man achievements worth 200 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Achievements they've won
Achievements they've not won
Complete the Multiplayer game.
Collect all 47 cakes in Multiplayer mode.
Complete the Single Player game in Hardcore mode.
Be on the lookout for an old friend.
Complete the Single Player game.
Collect all 47 cakes in Single Player mode.
How long can you handle being a pacifist?
Create 5,000 filets.
Let your hyper little brother play the game for a bit.
Master the mastery of controlling your controls.
Eliminate 10 Scientists and stop them from spreading their filthy lies.
Select "Credits" from the "Help & Options" menu and watch the whole thing.