Warframe, sci-fi, action, third-person shooter, free-to-play, digital extremes, space ninja, Tenno, cooperative gameplay, in-game currency, platinum, cosmetics, non-pay-to-win, grind, farm resources, mod system, skill-based, PvE, PvP, trading system, space battleship, dynamic lighting, detailed textures, futuristic armor, energy weapons, alien landscapes, Corpus, Grineer, Infested, Orokin, cinematic angles, action poses, dramatic shadows, high contrast lighting.