A browser game about recreational scuba where the dive computer is the antagonist: every meter down buys you less bottom time and a longer way back up, and the no-stop clock is the thing you're actually playing against. Sport-diving physiology is a strange subject to build a game on, and putting the fun in the depth/air/nitrogen trade-off rather than bolting a score onto it is the part worth a look. Zero stars, sitting on someone's GitHub Pages.
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Passed over a big drift of AI-flavored SEO repos titled like search results ("Best ... 2026", "Idle AI Empire 2026: 924-Test Devlog Suite"), the usual tetris/snake/Minecraft-clone tier, two JSON-to-filesystem tools filed under game topics, and three blog posts and a training repo that aren't playable links at all.