Collect more than 420 bullets

Collect more than 600 bullets

Collect the maximum amount of ammo

Collect 3 Megagon power-ups

Collect 5 Megagon power-ups

Complete Zone 1

Complete Zone 2

Complete Zone 3

Complete Zone 4

Complete Zone 5

Complete Zone 6

Have seven lives

Defeat 60 enemies on a single stage

Defeat 100 enemies on a single stage

Defeat 140 enemies on a single stage

Score 70,000 points

Score 200,000 points

Score 450,000 points

Score 700,000 points

Use your gun as a melee weapon

Finish a level without becoming Megagon

Finish a level without using Megawave.

Finish the game

Defeat the lion man without sustaining a critical hit

Defeat the lion head without sustaining a critical hit

Defeat the elephant man without sustaining a critical hit

Defeat the devil tree without sustaining a critical hit

Defeat the alligator man without sustaining a critical hit

Defeat the hippo demon without sustaining a critical hit

Defeat the demon head without sustaining a critical hit

Defeat the skeleton without sustaining a critical hit

Defeat the dinosaur without sustaining a critical hit

Defeat Megasaurus without sustaining a critical hit

Defeat the UFO without sustaining a critical hit

Defeat the alien without sustaining a critical hit