Cave Story (洞窟物語, Doukutsu Monogatari) is a freeware action-adventure video game released in 2004 for PC, designed and created over five years by Daisuke Amaya, art-name: Pixel. It has been translated by fans to English by Aeon Genesis.
The game has been highly received by both critics and gamers. In the July 2006 issue of Swedish game magazine Super PLAY, Cave Story was given 1st place on their list of the 50 best freeware games of all time.
A PSP port was developed by a fan, -Z. It supports PSP’s native screen format, and is overall emulated almost perfectly. Only a few text glitches here and there. It also come with Japanese text in addition to the English text.