Cabal Online is a game which is also 3D massively-multiplayer online role-playing game (MMORPG). Other such games include Domain of Heroes (a text-based MMORPG), Urban Terror or UrT (a free online first person shooter created by FrozenSand) and Drift City (a Nonlinear driving RPG game developed by a Korean).
Other popular game online include Emil Chronicle Online, Endless Ages, Heat Project, Human Age, Kutar, (Lil) Green Patch, Little Fighter Online and Pet Society. Phantasy Star situs judi online (PSO) was initially released for Dreamcast in 2000. Due to its increasing fame, Phantasy Star Online Episode I & II were later released with some added content for Nintendo GameCube and Xbox in 2002. Other versions of this online game were released in the year 2003 and 2004.
List of other free online games which gained popularity among users are QQ Sanguo, Regnum Online, Rohan: Blood Feud, Rumble Fighter, Seal Online, Shin Megami Tensei: Imagine, SubSpace (video game), Super Obama World, Syobon action, Teeworlds, Thang Online, Urban Terror, Utopia (online game), A World of My Own and Wurm Online.
One must be wondering why these free online games come for free. Actually, the websites that create these free online games feature many advertisements. They get revenue from these ads.
These online games can be a good way of passing time, but be careful, as they are also addictive.