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Oberin
"Oberin is an online fantasy role-playing game and virtual community, available exclusively for Macintosh. Oberin takes place in a persistent, ever evolving world -- your character may come and go, but the world continuously runs."
Free to play indefinitely.
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| http://www.oberin.com/ |
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OGame
"You start out with just one undeveloped world and turn that into a mighty empire able to defend your hard earned colonies. Create an economic and military infrastructure to support your quest for the next greatest technological achievements. Wage war against other empires as you struggle with other players to gain the materials."
Free, with option to pay for additional features.
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| http://ogame.org/ |
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Ogre Island
"Do you have what it takes to stand against fierce monsters? To explore winding, trap filled dungeons? To journey from the mountains to the sea and through the vast wastelands?"
Free, with option to pay for additional features.
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| http://www.ogreisland.com/ |
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Online Boxing
"Welcome to Online Boxing, the first Multiplayer Internet based Boxing Game."
Free to play indefinitely.
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| http://www.onlineboxing.net/ |
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Outwar
An urban adventure RPG. Join a crew and defeat your enemies to gain power in Diamond City.
Free to play indefinitely.
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| http://www.outwar.com/ |
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Oz World
Oz World is a virtual social scene where you level up and earn gold to buy stuff. You can make friends, buy a house, fish, and more. Several different towns to visit.
Free, with option to pay for additional features.
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| http://oz.ongameport.com/ |
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