Mytheon

Mytheon was a short-lived massive multiplayer online video game developed by Petroglyph Games. Mytheon required no initial fee to download or create an account, players are allowed to download and play the game for free. The game was funded by optional micro transactions. The game released on March 3, 2011 and shut down July 27, 2011, only a few months later. A reworked version was added to Steam, allowing players to play the game for a one-time fee.

Plot
Enter the world of ancient Greece where humans are at the mercy of Zeus and the pantheon of gods. Grab your friends and adventure through swamps, Greek ruins, and the Underworld itself to upgrade your armor and forge new weaponry. Collect stones of power to summon mighty companions and spells.