Play Super Mario World - Quest on Full Moon Island Online

Ever stumble across a Mario game you swear you’ve never seen before? That’s Super Mario World - Quest on Full Moon Island for you—a fan-made SNES romhack that somehow feels like it’s been hiding in Nintendo’s vault since the ‘90s. The second you boot it up, you’re hit with that familiar bounce in Mario’s step and those bright, chunky pixel worlds… except everything’s got this weirdly cool haunted vibe. Like, yeah, there are still goombas to stomp, but now they’re lurking under eerie moonlight or tucked behind crumbling castle walls.

The level design’s sneaky good—expect hidden blocks where you least suspect them, alternate exits that actually matter, and a few “wait, how was I supposed to figure that out?!” moments (in the best way). It’s not just nostalgia bait, either. The difficulty creeps up on you, especially when those floating Boo buddies start ganging up mid-jump. Feels like playing a lost beta version the devs never released, complete with little details (like the way Yoshi’s feet skid on icy patches) that make it weirdly authentic.

If you’ve ever wished SMW had just one more secret world to uncover, this is basically that. Dust off your SNES controller—or emulator—and dive in.