Most of the songs have 3 difficulty levels of play. The genres that the songs are part of run the gamut from piano pieces to techno versions of classical pieces to songs that are reminiscent of J-Pop, with an unusually large number of Christmas -themed songs. To fix this, all of the songs are available through a Bittorrent download. Unfortunately, the downloads of the songs are very slow, sometimes reaching 15 minutes on a cable modem. While some of them come included with the game's full installer, many of them require a separate download and e-points after installation. ojm files over 1300 songs if you count unofficial ones, 6.9GB). Over 350 songs on the Filipino server and 270 on the Malaysian server are currently available to play Including all O2Jam versions, there are over 580 songs available for playing(~3.4GB in. The types of rooms on O2Jam are Single rooms, VS rooms, Album rooms, Couple rooms, and Jam rooms (not implemented). Upon selecting a channel, the player is presented with a list of rooms. Each server works under song level restrictions: Kalliope (1-13), Thalia (7-19) and Kleo (13+).Īfter choosing a server on which to play, the player (commonly called an O2Jammer in the O2Jam community) is presented with a list of 'channels,' each of which allows a maximum of 100 users at a time. All three are free to use, although about half of the songs cost money to play.

In the Malaysian version of O2Jam, there are also three servers: Kalliope, Kleo and Thalia.

Euta, Kalliope, and Kleo are the most populous servers.

These are Euta, Thalo, Kalliope, Melpomin, Kleo and Philix.

In the Philippine version, there are six servers, all of which are free to play.There are 3 servers in the Korean version: Melpomin (Melpomin), Kalliope and Kleo (Clio).Some music halls are named after the muses in Greek mythology. There are Music Halls, technically servers, on which a user can play in. Playing the game is divided between finding a room to play in, selecting a song, and playing a song.

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