There are many different weapons in Cave Story. Each have their own damage output and various changes when leveled up. Every weapon starts at level one and can be upgraded.
First Weapon in the game, . Located in the chest from the Hermit Gunsmith connected to the First Cave. Because it's the first weapon in the game, it is mandatory.
|Level||Appearance/Size||Damage per hit||Notes|
|1||One thin Beam||1 Damage per hit||N/A|
|2||Two thin Beams||2 Damage per hit||N/A|
|3||One thick Beam||4 Damage per hit||N/A|
Second weapon. Located in the chest in the Egg Observation Room connected to the Egg Corridor. It is not mandatory.