warframe, free-to-play, online multiplayer, sci-fi, third-person shooter, futuristic armor, space ninja, cooperative gameplay, action-packed, PvE missions, PvP arenas, customizable Warframes, parkour movement, melee combat, gunplay, crafting system, modding, space battles, open-world exploration, diverse planets, alien factions, dynamic lighting, detailed textures, high-resolution models, energy effects, digital extremes, PC, console gaming, regular updates, community events, in-game purchases, optional cosmetics, grind for resources, squad-based tactics, immersive sound design, epic boss fights, cinematic cutscenes.