multiplayer, cooperative gameplay, Remnant 2, joining friends, session, invite system, network settings, cross-platform, online connectivity, troubleshooting, firewall exceptions, server status, party system, lobby, private game, public matchmaking, friends list, in-game communication, voice chat, ping system, latency, high-resolution textures, dynamic lighting, immersive sound effects, action-packed, post-apocalyptic environment, detailed character models, co-op strategy, teamwork, squad-based tactics, seamless integration, user-friendly interface, real-time updates, enhanced graphics, smooth animations.