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Jelly Boy was a 1994 release for the original Game Boy, developed by Probe Entertainment and published by Ocean Software. It arrived during a period when the handheld was saturated with platformers and puzzle games, offering something visually distinct with its colorful, squishy protagonist and surreal environments.

You control a stretchy, gelatinous character who can bounce, stick to surfaces, and contort his body to navigate a series of obstacle-filled stages. The main goal is to reach the exit in each level, which often requires careful timing and creative use of your elastic properties to bypass hazards like spikes, enemies, and moving platforms. Signature mechanics include launching yourself by pulling back like a slingshot, clinging to ceilings to avoid dangers below, and absorbing smaller blobs to increase your size and mass. The pacing is deliberate, with levels demanding patience and precision rather than speed, and the physics can feel unpredictable, leading to occasional frustration. It feels like solving a tactile puzzle with a character who never quite moves the way you expect.