CaveRibbon (SFCave Remake)
Hi HN! I made this project to indulge in some nostalgia for the Palm OS era. One of the hardest technical problems was fitting an entire replay’s worth of state into the URL fragment so games could be shared. I wrote up some of the details here: https://memalign.github.io/p/caveribbon.html
CaveRibbon (SFCave Remake) launched on February 19, 2024 with 17 votes, #1,060 of 3,962 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 2 years on.
In plain words
CaveRibbon is a remake of SFCave, the classic Palm OS game, built as a web browser experience. It recreates the nostalgic gameplay of navigating through an obstacle course in a narrow cave. A notable technical feature allows players to share complete game replays by encoding the entire game state into the URL, enabling others to watch and replay specific matches. The project appeals to retro gaming enthusiasts and developers interested in efficient state compression techniques.
written from the facts on this page · September 2026
From the sources
CaveRibbon - tap to swim and dodge to get a high score. Love letter to Palm OS SFCave.
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