Cave Story has been made officially available on PC (freeware and Plus), Mac (Plus), Nintendo 3DS (Cave Story 3D and eShop), Nintendo DSi (DSi Shop), Nintendo Wii (Wii Shop), and Nintendo Switch (Plus). These versions each have different sets of features, some being exclusive to certain versions. The price also varies for each version. Many unofficial ports have also been made for other systems such as PSP, Xbox, GP2X, and even Sega Genesis.
- Cave Story 3D is a retail game that is sold in physical cartridges; the rest are available via digital download. Cave Story+ on Nintendo Switch is available via both physical and digital copies.
- The DSiWare version was removed from the 3DS eShop when the 3DS version was released. Since the DSiWare Shop shut down in March 2017, this version is no longer available for (legal) download anywhere.
- The Wii Shop Channel closed permanently on January 30, 2019, making the WiiWare version no longer available for download. As of March 26, 2018, the WiiWare version can no longer be purchased except with previously added points to the Wii Shop Channel.
|Cave Story (Freeware)||WiiWare||DSiWare||Cave Story+ (Steam)||Cave Story 3D||3DS eShop||Cave Story+ (Nintendo Switch)|
|Unavailable (was $10)||$15||$40 (MSRP)||$10||$30 (MSRP)|
|Hard and Easy Modes||No||Yes||Yes||Yes||Yes||Yes||Yes|
|Jukebox (Sound Test)||No||Yes||No||Yes||Yes|
|Local Co-Op Multiplayer||No||No||No||No||No||No|
|Remastered Graphics||No||Yes||No||Yes||No||Talksprites only|
|3D Model Graphics||No||No||No||No||Yes||No||No|
|Machine Gun Challenge||No||No||No||Yes*||No||No||Yes|
|Sanctuary Time Attack||No||Yes||Yes||Yes||Yes||Yes||Yes|
*In updated releases
|Real World Topics|
|Games||Cave Story • Cave Story+ • Cave Story 3D • Nintendo eShop • WiiWare • Version differences|
|Development||Pixel • Nicalis • Aeon Genesis|