Playing on a Chromebook typically requires browser-based ports or Linux workarounds since the official client isn't natively supported on ChromeOS. Here are the most effective ways to access it unblocked: Top Unblocked Browser Versions
allow you to play directly in your browser without any installation. You can even import your own beatmap files from Google Drive osu mania unblocked chromebook
Browser-based ports are the easiest way to play on a Chromebook because they don't require downloads and often bypass basic network filters. osu mania unblocked chromebook