Metroid: Desolation is a Metroid: Zero Mission ROM hack by jasinchen and released in 2023. Featuring vastly modified level design when compared to the base game, this hack is set on Area LC-13, where Samus goes to investigate after the water source dried up for unknown reasons, leading to many species dying.
Mikewillplays inspects the planet and finishes the hack with full item completion.
An encode featuring commentary by the author is available right here.
Watch a resync of this run being played back on a real console.