NOTE : This content requires the base game Warframe (free of charge) on Steam in order to play.
About the game
Warframe is a cooperative free-to-play third person online action game set in anevolving sci-fi world.
BONUS: BONUS: Receive the exclusive Excalibur
Onyx Skin for free! (Limit one per account.) The Excalibur Onyx Skin is only available with the purchase of a Pinnacle Pack.