Pterodactyl
Find a way to defeat a Pterodactyl
15 ✓ April 3rd, 2006
Wave 5
Make your way to wave 5 using default settings
10 ✓ April 1st, 2006
CO-OP
Finish wave 5 on Xbox Live with another player using default settings
10 ✓ July 20th, 2009
Flawless
Finish wave 1 without dying while using default settings
5 ✓ April 1st, 2006
Wave 100
Make your way to wave 100 using default settings
40 
Wave 30
Make your way to wave 30 using default settings
25 
Triple Pterodactyl
Defeat 3 Pterodactyls in one game using default settings
25 
CO-OP Master
Finish wave 20 on Xbox Live with another player using default settings
25 
Wave 10
Make your way to wave 10 using default settings
15 
Camper
Stay in wave 1 for 120 seconds without dying while using default settings
10 
Versus
Play on Xbox Live Ranked VERSUS and gain the rank of 5
10 
High score
Get 1st place on in game score board using default settings
10