: Typically includes variants for 5-key (5K) and 7-key (7K) modes, with specific patterns for Easy (EZ), Normal (NM), Hard (HD), and Super Crazy (SC).

Unlike modern rhythm games like osu!mania or Quaver , O2Mania was built for Windows XP/Vista/7. Running it on Windows 10 or 11 requires compatibility tweaks. This aging architecture is why is a mandatory search term.

O2mania Song Pack Full Fixed Exclusive May 2026

: Typically includes variants for 5-key (5K) and 7-key (7K) modes, with specific patterns for Easy (EZ), Normal (NM), Hard (HD), and Super Crazy (SC).

ImHex is completely free and open source under the GPLv2 license.

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Windows

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MacOS

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Linux

There's also unstable nightly builds available on GitHub Actions. They will have more features but can potentially be less stable and have more bugs.

Download latest
Nightly

Do you have any questions? Need help learning ImHex and its Pattern Language? Just want to chat with some nice people?

Please don't be afraid to join our Discord Server and ask right away. There's usually somebody around to help :)