Power up your gun with the Fireball Special Weapon Rank 1

Power up your gun with the Fireball Special Weapon Rank 2

Power up your gun with the Fireball Special Weapon Rank 3

Power up your gun with the Boomerang Special Weapon Rank 1

Power up your gun with the Boomerang Special Weapon Rank 2

Power up your gun with the Boomerang Special Weapon Rank 3

Power up your gun with the Bomb Special Weapon Rank 1

Power up your gun with the Bomb Special Weapon Rank 2

Power up your gun with the Bomb Special Weapon Rank 3

Power up your gun with the Wave Special Weapon Rank 1

Power up your gun with the Wave Special Weapon Rank 2

Power up your gun with the Wave Special Weapon Rank 3

Defeat Robocrane and complete Sector 1-1

Defeat Lumpy and complete Sector 1-2

Defeat Metal Head and complete Sector 1-3

Defeat Airswimmer and complete Sector 2-1

Defeat Spiron and complete Sector 2-2

Defeat The Submarine and complete Sector 2-3

Defeat Eggriphobe and complete Sector 3-1

Defeat Arachnoid and complete Sector 3-2

Defeat Octopite and complete Sector 3-3

Defeat Supertank and complete Sector 3-4

Defeat Metorilla and complete Sector 4-1

Defeat Forearm and complete Sector 4-2

Defeat The Mother Ship and complete Sector 4-3

Defeat Warpwing and complete Sector 5-1

Defeat Mystery Boss and watch the Ending Sequence