This page contains Cave Story 3D Unlockables for 3DS called "Missile Upgrade" and has been posted or updated on Mar 18, 2013 by applebreeze.
- Developer: Nicalis
- Publisher: Nis America
- Genre: Action Platformer
- Release: Nov 8, 2011
- ESRB: Everyone 10+
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.
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