Also try (search GitHub for the open-source version).
There are several reasons why osu! Mania may be blocked on Chromebook: osu mania unblocked chromebook
Many of these sites have intrusive ads or malware. Use an ad blocker, never download “launchers,” and stick to well-known archives like GitHub Pages or itch.io. Also try (search GitHub for the open-source version)
Playing on a Chromebook is a popular way to enjoy high-speed rhythm gameplay without the need for a dedicated Windows PC. While school or work filters often block the official osu! website, several browser-based alternatives and installation workarounds allow you to jump back into the 4K or 7K grind. Top Ways to Play osu!mania Unblocked never download “launchers