Jelly Mario

Jelly Mario turns familiar platforming into a wobbling physics prank: the hero, enemies, pipes, blocks, and even the finish line refuse to stay rigid. The current page still calls itself pre-alpha, and that roughness is part of both the joke and the friction.

What is Jelly Mario?

The page opens with almost no ceremony: a loading readout, a sound switch, a creator credit, and an r15 pre-alpha label. Once the keyboard-driven game begins, the usual promise of crisp platform controls gives way to momentum management. Mario folds, scenery flexes, and a routine encounter can end in a shower of pieces. Early hands-on accounts reached into a second stage, but this feels more like a compact physics sketch than a finished campaign. Its best trick is making a world you already understand behave as though someone replaced every support beam with dessert.

What you can do there

• Steer a floppy Mario through elastic platforming stages

Why we picked it

The premise is legible in seconds and specific enough to remain funny: a famously precise platformer becomes a loose-limbed slapstick machine. Even without a long campaign, the collision between familiar scenery and uncooperative material physics gives the site a memorable point of view.

How to get the most from it

Visit on a desktop and use the arrow keys. Give each movement room to settle before correcting it, and leave sound enabled if you want the music to bend along with the motion. Treat clean progress as a bonus; the failed landings are the main event.

Good to know

The current page says mobile is unsupported and labels the build r15 pre-alpha. This is an unofficial fan experiment, not a Nintendo release. Expect elastic motion, awkward control, sound, abrupt failures, and a much smaller scope than a conventional platform game.

Who made it, and when?

Stefan Hedman is the credited creator or organization. The earliest supported launch date we found is February 25, 2018.