Developer builds simulated clips to enter a 100-robot open-source crab contest

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KingKong Robotics has open-sourced Jumper, a 22-degree-of-freedom crab robot, and is running a challenge from September 30 to November 30, 2026 that will award 100 physical units to outstanding open-source projects. Entries are short videos posted on X or YouTube with specified hashtags, judged 60% on audience response and 40% on expert review across appearance, playfulness and usefulness. The author is producing simulation footage using the robot's published specifications and the toolkit's trained policies, with an emphasis on concept and presentation over physics accuracy. Originality and music licensing are strict requirements, so the soundtrack is generated with an Apache-2.0 model. The project has progressed through toolkit setup, rendering fixes and scene design built at a diorama scale suited to the robot's 13 cm height.

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