Saul Pwanson signs the port as curator of the Century Arcade, a preservation project the developer started in 2013 with a bootable emulator build of the same game. The page describes preservation and low-key educational toys as long-time interests. Location is not stated.
A free browser port of the 1984 Commodore 64 platform-adventure Below the Root, with autosave and a map that fills in. The developer says AI models disassembled the original and wrote most of the JavaScript version.