Achievements
Complete each achievement to receive the allotted gamerscore:
Better than Platinum? (15) - Earn a Myrrh Medal on any level.
MANBEARPIG! (20) - Beat Mountain on Insane difficulty using walls and snowballs. No towers!.
Rochambeau (15) - Activate a Special Ability.
Space Cash (20) - Collect 100 coins in 10 seconds or less.
Come On. Catch Me. (15) - Earn a Gold, Silver or Bronze Medal on any level.
Couch Potato (10) - Watch a video clip in the Scrapbook.
Fightin' Round the World (20) - Throw 1,000 snowballs.
Look For Treasure (5) - Earn a Platinum Medal on any level.
Treasure and Plunder (15) - Collect 1,000 coins.
Ungroundable (20) - Earn a Bronze Medal or better on 5 Challenge levels.
White Trasher (20) - Destroy an enemy with the junkyard crane near Kenny's House.
Unlock Characters
Butters - Beat Level 4: Butters' House.
Jimmy - Beat Level 5: Hell's Pass Hospital.
Craig - Beat Level 6: Stark's Pond.
Clyde - Beat Level 7: 6th Grade Hangout.
Tweak - Beat Level 8: Great Wall.
Pip - Beat Level 9: South Park Docks.
Unlock Avatar Awards
Cartman's hat - Beat 1 level in the full game.
Kenny's hoodie - Beat the whole campaign.