Defeat the boss to save Nobi (Nobi Nobita) and go to chapter 2 (No chapter skip).

Grab the Shock Gun.

Get the Air Cannon.

Find the Power Fan. (This item is exclusively made for this game and never appeared in the anime series.)

Find the Small Light in Chapter 1 to use it in Chapter 2.

Discover any one of the hidden Anywhere Door.

Defeat the boss and go to chapter 3 (No chapter skip).

aka Sune. Go through the alternative tunnels and have him help you.

aka Gian. Go through the alternative tunnels and have him help you.

Mostly appears after you rescued the kids and gained items. (No chapter skip.)

Go through the alternative tunnels and get the Reserse Mentle.

Defeath the boss and save Sue (Shizuka Minamoto) (No chapter skip).

Figure out a way to defeat the croaking sea snake creature.

Defeat a Giant Octopus.

Solve the Undersea Cave Puzzle (Before game over continue.)

Ten thousand point score

Six Hundred Thousand point score

Beat the game without losing any life.

Obtain the 3 weapon boost.

Obtain the Pass Loop for the Final Chapter.

Defeat chapter 1 boss with shock gun only. (No Air Cannon)