O2mania -offline O2jam - All 556 Songs Included- Game May 2026

Select your song, choose your difficulty (Easy, Normal, Hard), and hit the Spacebar. The Legacy of 7-Key Gaming

Unlike the original client, O2Mania is designed for flexibility. It handles the .ojm and .ojn file formats natively, allowing for a seamless transition between tracks. O2Mania -Offline O2Jam - All 556 Songs Included- Game

Fully rebindable keys to suit desktop or laptop layouts. Select your song, choose your difficulty (Easy, Normal,

High-BPM challenges like "Identity" series and "The Festival of Ghost." Select your song

Precision-heavy tracks designed to test your finger independence. Technical Features of O2Mania

Offline play ensures perfect synchronization between visuals and audio.

Supports various skins, note styles, and adjustable scroll speeds.