Defeat all enemies in Stage 2(Normal).
Defeated Terror Cracker.
Played in Local CO-OP Mode.
Completed all campaigns under noob difficulty.
Defeated the Lord of War.
Shot down 500 UFOs.
Defeated Turborghini.
Performed 10x hits.
Defeated Dread Feller.
Completed all campaigns under normal difficulty.
Scored 2,500,000 points or more during any single stage.
Completed all campaigns under veteran difficulty.
Defeated War Gear III.
Defeated the Roaring Steam.
Defeated Big Dora.
Been bumped into by a supply robot.
Complete a stage without receiving a single hit.
Defeat all enemies in Stage 1(Noob).
Defeat all enemies in Stage 2(Noob).
Defeat all enemies in Stage 3(Noob).
Defeat all enemies in Stage 1(Normal).
Defeat all enemies in Stage 3(Normal).
Defeat all enemies in Stage 4(Normal).
Defeat all enemies in Stage 5(Normal).
