cooperative gameplay, Remnant 2, multiplayer mode, team strategy, character customization, shared world, dynamic encounters, voice communication, session invite, friends list, cross-platform, in-game chat, private lobby, public matchmaking, squad formation, diverse builds, tactical cooperation, environmental interaction, loot sharing, difficulty scaling, boss battles, survival mode, teamwork-focused challenges, player roles, joint exploration, combat synergy, shared progression, online connectivity, friend pass system, seamless joining, party system, cooperative puzzles, ally revival, multiplayer quests, shared achievements, co-op action RPG.