Cave Story+

Cave Story+ is the definitive version of the game that arguably started the indie Metroidvania revolution. It features a charming story, memorable characters, and a unique weapon-leveling system. You explore a mysterious island, uncovering the secrets of the Mimiga people. The game's retro aesthetic and catchy soundtrack are iconic.

While it is more of a linear platformer with Metroidvania elements, its influence and charm make it a must-play for anyone interested in the history of indie games. It is a classic that still holds up today.