Dan Overlay
A free browser game — play it in your browser, no install. Real-time Dan rank & Star Rating overlay HUD for osu!mania 4K & 7K. Features live Sunny SR strain analysis, multi-mode Dan estimation (Reform, Celestial, Signicial, Shoegazer, LN), and 8 customizable HTML5 skins.
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Controls: Switching Engines: Press Ctrl + , (or right-click the overlay window) to open…
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Open the live demo Source on GitHubFrom the README
DanOverlay is a high-performance, real-time overlay for osu!mania and Etterna that estimates your Dan tier and skillset ratings as you select and play charts. It connects seamlessly to live game data (tosu for osu!mania, lightweight Lua bridges for Etterna), runs state-of-the-art difficulty calculation engines (ISOR & Legacy), and displays your estimated Dan rank through a GPU-accelerated HTML overlay using pywebview.
Switching Engines: Press Ctrl + , (or right-click the overlay window) to open Settings, choose your preferred Algorithm under Estimation Engine, and click Save.
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