0 Day Attack On Earth

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Complete the following achievements to unlock Xbox Live Gamerscore points.

Enlistment (5 points): Enter the Main Menu.

Crucible (5 points): Clear the game on Normal in single player mode.

Onslaught (5 points): Clear the game on Hard in single player mode.

Wings of Friendship (5 points): Play a CO-OP Mode game.

Sandwich Man (10 points): Kill 10 Sandwich enemies.

Snake Killer (10 points): Kill 10 Snake enemies.

Mosquito Killer (10 points): Kill 10 Mosquito enemies.

Valiant Warrior (20 points): Kill 100 targets in CO-OP Mode.

Additionally there are four secret achievements.

Like taking candy from a baby (20 points): Occupied all control points in Control Point mode.

Gold Hammer (30 points): Cleared the game on Normal difficulty or harder without losing a life.

May Day King (30 points): Got shot down 256 times.

Ruler of the Universe (50 points): Earned every rank.