Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Space Explorer (10 points): Complete the game with any Lion.
Space Legend (30 points): Complete the game with all five Lions.
King Alfor's Blessing (30 points): Get five Survivor bonuses in a single play session.
Defender of the Universe (20 points): Rescue 100 groups of civilians.
Lion Heart (10 points): Complete any level without the Lion deactivating once.
Five Keys (20 points): Complete a level in an Xbox LIVE game with four other players.
Zarkon's Bane (10 points): Complete any three levels without seeing a game over in a single play session.
Fly Swatter (10 points): Achieve ten air pounces in a single level.
The Vendetta Begins (10 points): Beat a friend's level score after they have beaten yours in the same Xbox LIVE game session.
Carried The Team (20 points): Complete a level in an Xbox LIVE game where you are the only surviving player.
Lion Ace (10 points): Earn a x10 score combo five times in a single level.
Blazing Victory (20 points): Kill a Robeast without Voltron losing any health.