Beat Mission Critical on Easy
Beat Mission Critical on Medium
Beat Mission Critical on Hard
Beat Double Down on Easy
Beat Double Down on Medium
Beat Double Down on Hard
Beat Defiance on Easy
Beat Defiance on Medium
Beat Defiance on Hard
Destroy 50 Targets
Destroy 100 Targets
Destroy 500 Targets
Destroy 1000 Targets
Destroy 1500 Targets
Beat the Mission Critical Hi-Score
Beat the Double Down Hi-Score
Beat the Defiance Hi-Score
Unlock All Ships
Access the "Secret Menu" for the first time
Fail 5 times
Fail on Hard with a specific ship
Win on Hard with a specific ship
Play the game for 2 hours (Based on internal game clock which counts on Menu and in Level)