Complete each achievement to get the allotted gamerscore.
Wave 5 Achievement: Get to Wave 5 using default settings.
Wave 10 Achievement: Get to Wave 10 using default settings.
Wave 30 Achievement: Get to Wave 30 using default settings.
Wave 100 Achievement: Get to Wave 100 using default settings.
CO-OP Achievement: Finish wave 5 on Xbox Live with another player using default settings.
CO-OP Master Achievement: Finish wave 10 on Xbox Live with another player using default settings.
High Score Achievement: Get 1st place on in game score board using default settings.
Versus Achievement: Play on Xbox Live Ranked VERSUS and gain the rank of 5.
Dodge Achievement: Stay in wave 1 for 28 seconds without dying using default settings.
Save All Humans! Achievement: Rescue all humans on wave 1 and 2 using default settings
Glue Achievement: Pass wave 1 without moving or dying while using default settings.
Time Challenge Achievement: Make your way to wave 4 in 45 seconds or less using default settings.