Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
- Ready to rock (5 points): Clear the first level.
- Stabilized (15 points): Get all medals in any level.
- All powered up (15 points): Have all 4 power-ups at the same time.
- The Per Lundberg syndrome (30 points): Get 100% of all medals.
- Hard as Rock (25 points): Complete the game on Hard difficulty.
- Ambitiously ambidextrous (15 points): Clear at least 3 levels with all 3 controller types.
- Bubbler of the week (15 points): Get 10 enemies within the same bubble.
- Skull and crushed bones (15 points): Crush 10 skulls without touching the ground.
- Given to wail (20 points): Clear all levels using a guitar.
- Firewalker (15 points): Defeat 100 enemies using the Fire Boots.
- Incognito (25 points): In single player, clear each standard level collecting less than 20 points.
Additionally, there is one secret achievement:
- Best friends forever (5 points): Revive another player 10 times in co-op.