Pterodactyl
Find a way to defeat a Pterodactyl
15 ✓ May 30th, 2006
Wave 5
Make your way to wave 5 using default settings
10 ✓ May 30th, 2006
Camper
Stay in wave 1 for 120 seconds without dying while using default settings
10 ✓ June 23rd, 2006
Flawless
Finish wave 1 without dying while using default settings
5 ✓ May 26th, 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 
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 
CO-OP
Finish wave 5 on Xbox Live with another player using default settings
10