Sam Cornwell is named as author and copyright holder of BOXXY on boxxy.io. Posting on Reddit as u/samcornwell, the developer describes building the game as a non-programmer who had started and stopped learning to code for about thirty years.
A box-pushing puzzle game with hand-made level packs, a daily puzzle and a level maker, free in the browser. The developer, a self-described non-programmer, says it was made solely with ChatGPT.
