ACHIEVEMENT - HOW TO UNLOCK Rochambeau (15 points) - Activate a Special Ability. Come On. Catch Me. (15 points) - Earn a Gold, Silver or Bronze Medal. Couch Potato (10 points) - Watch a video clip in the Scrapbook. White Trasher (20 points) - Destroy an enemy with the junkyard crane near Kenny's House. Space Cash (20 points) - Collect 100 coins less than 10 seconds. Treasure and Plunder (15 points) - Collect 1,000 coins. Fightin' Round the World (20 points) - Throw 1,000 snowballs. Better than Platinum? (15 points) - Earn a Myrrh Medal. Look For Treasure (5 points) - Earn a Platinum Medal. Ungroundable (20 points) - Earn a Bronze Medal or better on 5 Challenge levels. MANBEARPIG! (20 points) - Beat Mountain on Insane difficulty using walls and snowballs. GAME COMPREET-O! (25 points) - Save South Park.