O2Jam : The Beginning is the official PC version based on O2Jam - Music &amp; Game, featuring the entire series collection. Enjoy legendary original tracks, overwhelming note impact, and various key modes! From nostalgic classics to new hits, experience the authentic rhythm action of O2Jam.

The core of a music game is &quot;Music&quot; itself.O2Jam: The Beginning is the legendary rhythm game series chosen by 200 million users worldwide over the past 22 years. Experience high-quality original tracks produced exclusively for rhythm games and an overwhelming note impact right here on Steam with the official O2Jam rhythm game.Key Features<ul class="bb_ul"><li>Optimized Play Environment &amp; CustomizationWide Difficulty Range: Level design that satisfies everyone from beginners to hardcore maniacs.Various Key Modes: Supports 3K, 4K, 5K, and more.Flexible Key Settings: Supports a key change system tailored to player convenience.</li><li>Global Comprehensive Ranking SystemCompete with users worldwide and challenge for the TOP class through national and global rankings.</li><li>Sequential Expansion of All O2Jam Series SongsPerfectly ported O2Jam masterpieces like 'V3', 'The Festival of Ghost', and 'A Christmas Memory'!Includes songs by world-class rhythm game artists such as BeautifulDay, Brandy, Studio Doma, Warak, SHK, Pory, S.I.D Sound, and Memme.New songs from rising rhythm game stars are constantly updated, with the library expanding continuously until the official release.</li></ul>

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O2Jam : The Beginning Achievements