True Games today announced that its highly-anticipated online, multiplayer action/RPG with strategic game play, Mytheon, which is now in closed beta at www.MytheonGame.com, will go dark for one hour this Saturday in honor of the global initiative to fight climate change. At 8:30 PM PST, the game’s closed beta will go dark for one hour in support of the WWF’s “Earth Hour 2010” https://www.myearthhour.org/home. The game will be back online at 9:30PM PST.