cooperative gameplay, alien fireteam elite, squad of marines, tactical positions, futuristic weapons, sci-fi armor, intense combat, extraterrestrial enemies, xenomorph swarm, dark spaceship corridors, flickering lights, emergency alarms, high-tech gadgets, teamwork strategy, survival horror, pulse rifles, motion trackers, hazy atmosphere, dynamic shadows, co-op shooter, multiplayer action, detailed alien creatures, metallic textures, industrial structures, space station, eerie soundtrack, advanced particle effects, 3/4 view, over-the-shoulder camera, ambient lighting, high-resolution textures, real-time rendering.