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