Achievements:
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Accomplish the indicated achievement to get the corresponding number of
Gamerscore points:
Marbleball Badge (10 points): Complete Skyworld 3.
Metalball Badge (15 points): Complete Iceworld.
Powerball Badge (15 points): Complete Caveworld.
Airball Badge (25 points): Complete Lavaworld.
Speedroller Rookie (5 points): Collect one Silver Medal.
Speedroller Trainee (10 points): Collect 12 Silver Medals.
Speedroller Expert (20 points): Collect 24 Silver Medals.
Speedroller Master (30 points): Collect Gold Medal on all levels.
Speedball Medal (10 points): Win 5 multiplayer races.
Honor Medal (25 points): Win 10 multiplayer races.
Friendball Medal (20 points): Complete all cooperative levels.
Spyglass (15 points): Find three hidden paths.
