- Sentinel
Complete the Rally Point mission without moving (single player, normal difficulty or harder).
- Exterminator
Destroy all Pearl and Spider enemies in the Front Line mission (single player, normal difficulty or harder).
- Stunt Pilot
Fly through all markers in the Battle Ship mission (single player, normal difficulty or harder).
- Arcade Master
Complete the Barricades mission without looking back (single player, normal difficulty or harder).
- Collateral Damage
Use the moving Proton Cannon to destroy 20 enemies (single player, normal difficulty or harder).
- Key Bearer
Use the copper key to open the lock in the Scrap Yard (single player, normal difficulty or harder).
- Warp Speed
Complete the Power Plant mission in under 5 minutes (single player, normal difficulty or harder).
- Energized
Complete the Reactor mission without using any battery (single player, normal difficulty or harder).
- Star Gazer
Create a mine constellation in the Fort (single player, normal difficulty or harder).
- Strategist
Complete the Black Hole mission using only the gravity beam (single player, normal difficulty or harder).
- Guardian
Complete the Assault mission while keeping Earth's shield above 70% (single player, normal difficulty or harder).
- Ecologist
Complete the Substructure mission without destroying any enemies (single player, normal difficulty or harder).
- Search Light
Complete the Derelict mission without revisiting any room (single player, normal difficulty or harder).
- Puzzling
Complete the Factory mission without using the gravity beam on anything other than keys (single player, normal difficulty or harder).
- Demolitions Expert
Defeat the Mind without hitting any levers in the boss room (single player, normal difficulty or harder).
- Stealthy
Complete the Security Zone mission without taking more than 25% damage (single player, normal difficulty or harder).
- Annihilator
Destroy 500 enemies in the Credits mission (single player, normal difficulty or harder).
- Rainy Day
Collect 7500 money (single or multiplayer, any difficulty).
- Technician
Collect all blueprints (single or multiplayer, any difficulty).
- Secret
Find the final secret.
- Recruit
Complete ProtoForce: Alpha Op on Easy difficulty (single or multiplayer).
- Veteran
Complete ProtoForce: Alpha Op on Normal difficulty (single or multiplayer).
- Hero
Complete ProtoForce: Alpha Op on Hard difficulty (single or multiplayer).
- Turret Commander
Turret Defense: Get to round 5 (single or multiplayer).
- Turret Admiral
Turret Defense: Get to round 13 (single or multiplayer).
- Big Saver
Turret Defense: Have 750 money on hand (single or multiplayer).
- Imminent Death
Turret Defense: Have all boss types in play (single or multiplayer).
- Pawn Shop
Turret Defense: Sell 20 turrets (single or multiplayer).
- Formidable Defense
Turret Defense: Have 40 turrets in play (single or multiplayer).
- Minimalist
Turret Defense: Beat all boss types without upgrading (single or multiplayer).
- Uneasy Defender
Turret Defense: Lose 200% health on the planet (single or multiplayer).