Peach still has dried cum flaking on her tits when the game starts. Not a joke. The whole premise is Mario got kidnapped while she was passed out post-fuck and now she's wandering the Mushroom Kingdom looking for him with jizz literally crusting on her body. The pixel art is deliberately janky, like someone's first Flash project from 2005, and the controls feel like you're steering a drunk shopping cart. But somehow that makes it funnier.
Jumping on a goomba doesn't kill it anymore. She just drops to her knees and starts blowing the thing. Every enemy encounter turns into a sex scene. Koopa troopas, those little brown mushroom dudes, Bowser's entire army, they all get the same treatment. The animation loops are maybe three frames total. Her mouth goes up and down. Cumshot pixel spray. Next screen. The sound design is just royalty free squelching noises and a MIDI version of the Mario theme that keeps cutting out mid note. I laughed so hard at the first boss I missed the prompt and she just kept sucking for like two minutes straight while the hammer bro stared at the ceiling.
There's a weird moment in world 3 where the background is just a stretched jpeg of a real castle and Peach's sprite clips through the floor. Nobody bothered to fix it. The hitboxes are a suggestion at best. Sometimes you'll be three pixels away from an enemy and the sex scene triggers anyway. Other times you're basically inside a piranha plant and nothing happens until you press down. It makes no sense.
The ending. Bowser shows up. She fucks him too. Mario watches from a cage with this blank expression that never changes. Roll credits. No joke, the credits are just the creator's DeviantArt handle repeated twenty times. I respect the hustle.