handheld gaming device, Steam Deck, multiplayer, cross-platform, playing with PC players, cooperative gameplay, competitive match, online connectivity, Wi-Fi signal, gaming community, friends list, Steam integration, seamless transition, shared servers, high-resolution display, ergonomic controls, action-packed scene, dynamic lighting, realistic textures, urban gaming environment, cityscape background, evening ambiance, soft shadows, 3/4 view angle, detailed character models, vibrant colors, interactive elements, immersive experience.