Finish level 3 (very difficult, default DIP values and two players allowed)

Finish level 1 (normal difficult or higher, default DIP values and one player only)

Finish level 1 (difficult or higher, default DIP values and one player only)

Finish level 1 (very difficult, default DIP values and two players allowed)

Finish level 2 (normal difficult or higher, default DIP values and one player only)

Finish level 2 (difficult or higher, default DIP values and one player only)

Finish level 2 (very difficult, default DIP values and two players allowed)

Finish level 3 (normal difficult or higher, default DIP values and one player only)

Finish level 3 (difficult or higher, default DIP values and one player only)

Finish level 4 (normal difficult or higher, default DIP values and one player only)

Finish level 4 (difficult or higher, default DIP values and one player only)

Finish level 4 (very difficult, default DIP values and two players allowed)

Finish level 5 (normal difficult or higher, default DIP values and one player only)

Finish level 5 (difficult or higher, default DIP values and one player only)

Finish level 5 (very difficult, default DIP values and two players allowed)

Finish the game (normal difficult or higher, default DIP values and two players allowed)

Get 600000 points or more before defeating the final boss (normal difficult or higher and default DIP values)

Finish the game using default weapon only (any difficulty, any DIP settings, areas 2&5 bombs allowed and one player only)

Get the standard versions of all weapons during one run (normal difficult or higher and default DIP values)

Get the upgraded versions of all weapons during one run (normal difficult or higher and default DIP values)

Get and throw a bomb in areas 2 or 5 (normal or higher difficulty)

Get and throw bombs in areas 2 and 5 in the same run (normal or higher difficulty)

Clear area 1 without losing a life (normal or higher difficulty)

Clear area 2 without losing a life (normal or higher difficulty)

Clear area 3 without losing a life (normal or higher difficulty)

Clear area 4 without losing a life (normal or higher difficulty)

Clear area 5 without losing a life (normal or higher difficulty)

Finish the game 1CC (normal difficult or higher, default DIP values and one player only)

Destroy the helicopter's turrets before taking it down (normal difficult or higher)