sukabetaa is the itch.io account that publishes Wheelchair Gymkhana Prototype. The Qiita user ktanemo wrote about making the game and links this itch.io page; the post says the developer wants sports wheelchairs to be enjoyed as a sport and hobby by people with and without disabilities, and works on the game alongside a job.
A browser time-attack prototype in which you steer a sports wheelchair by pushing each wheel separately; the developer says ChatGPT wrote the spec and GitHub Copilot implemented it.