Wave 5 (10 points) - Reach Wave 5 under the default settings.
Save All Humans! (10 points) - Save all humans on Waves 1 and 2 under the default settings.
Glue (10 points) - Complete Wave 1 without moving or dying under the default settings.
Wave 10 (15 points) - Reach Wave 10 under the default settings.
Versus (15 points) - Get a rank of 5 in Xbox Live Ranked Versus mode.
Time Challenge (15 points) - Reach Wave 4 in under 45 seconds under the default settings.
High Score (15 points) - Get first place on the game score board under the default settings.
Dodge (15 points) - Survive Wave 1 for 28 seconds without dying under the default settings.
Co-Op (15 points) - Complete Wave 5 with another player on Xbox Live under the default settings.
Co-Op Master (20 points) - Complete Wave 10 with another player on Xbox Live under the default settings.
Wave 30 (25 points) - Reach Wave 30 under the default settings.
Wave 100 (45 points) - Reach Wave 100 under the default settings.