Camper - Reach 120 seconds in Wave 1 without dying under the default settings.
Flawless - Complete Wave 1 without dying under the default settings.
Co-Op - Complete Wave 5 in Xbox Live with another player under the default settings.
Co-Op Master - Complete Wave 20 in Xbox Live with another player under the default settings.
High score - Reach first place on the game score board under the default settings.
Pterodactyl - Defeat a Pterodactyl.
Triple Pterodactyl - Defeat three Pterodactyls in a game under the default settings.
Versus - Reach rank 5 in Xbox Live Ranked Versus mode.
Wave 5 - Reach Wave 5 under the default settings.
Wave 10 - Reach Wave 10 under the default settings.
Wave 30 - Reach Wave 30 under the default settings.
Wave 100 - Reach Wave 100 under the default settings.