http://wccftech.com/warframe-plains-of-eidolon-today/ >Multiplayer action game Warframe, developed by Digital Extremes, got plenty of free new content yesterday on PC with the Plains of Eidolon expansion. >The biggest addition included in the expansion a big open world area filled with locations to explore and secrets to discover. The expansion also adds new weapons, new activities, a new mission type and more.