Nintendo 3DS Cheats - Cave Story 3D

Unlock Time Attack Mode

By completing the Sacred Ground final stage you can unlock Time Attack mode. You can now play with extra weapons, health and extra stage.

Alternate title screen

Complete Sanctuary Time Attack mode under the indicated time limit to unlock the corresponding song at the title screen.

Unlockable: --- How to Unlock:

Running Hell music and Curly pointer --- 6 minutes

Safety music and Sue pointer --- 3 minutes

Toroko's Theme music and Toroko pointer --- 5 minutes

White music and King pointer --- 4 minutes

Wind Fortress stage

Earn the "Best" ending.

Sanctuary Time Attack mode

Earn the "Best" ending.

Nemesis challenge stage

Obtain the Nemesis and save the game.

Curly Story

Obtain Curly's Panties and save the game.

Boss Attack mode

Earn the "Best" ending.

Blade

Defeat frenzied Toroko, then talk to king. He will ask that you avenge him. He will disappear and something will take his place. Press Down to get the weapon.

Bubbler

Get access to the Bushlands. Obtain jellyfish juice then go to the meeting room in the Mimiga Village and put out the fire.

Fireball

Obtained in the Bushlands when you talk to Santa after getting his key.

Machine Gun

Defeat Curly in the Sand Zone. She will want to trade the Polar Star for the Machine Gun. Note: Refuse her trade in order to get the Spur later.

Missile Launcher

Found in the treasure chest in the Egg Observation room in Egg Corridor (the second door with the save symbol).

Missile Upgrade

Defeat Balrog in the Boulder Chamber and a treasure chest with the weapon will appear. Note: If you already have the Missile Launcher, it will be upgraded to fire new missiles.

Nemesis

Kazuma and the Dragon will be on the Balcony. Go down a row to find a gap. Use the Booster to traverse the gap and enter the house. Talk to Mrs. Little then go to the Graveyard. Talk to the small character in the grass and he will enter into your inventory. Return to Mrs. Little's house. The small character will say "I'm home!". Talk to him in the house and he will trade the Blade for the Nemesis.

Polar Star

Obtained at the start from the hermit gunsmith.

Snake

Go into the Labyrinth Shop and speak to the owner. He will borrow your Polar Star and Fireball and combine them into the Snake. This weapon's rounds passes through walls. Note: You cannot do this if you have the Machine Gun or Spur.

Spur

Defeat the fish Boss. After appearing in the Reservoir, go to Arthur's house. Professor booster will appear from the teleporter and give you Booster 2.0. Note: Prior to this, do not talk to Booster in the Labyrinth. Use the Booster to reach to the first cave and talk to the hermit gunsmith. He will upgrade it to the Spur.