Halo Infinite adds four-player PvE mode Gauntlet

Halo Infinite received a surprise update that added Operation Firefight: Gauntlet, a four-player PvE mode, to Xbox One, Xbox Series X|S and PC. The download is about 10GB or less across platforms and is available through standard update channels.

Gauntlet places teams of up to four players in short arena simulations made up of five distinct battle arenas. Each arena spawns waves of enemies that increase in intensity. Players must defeat the arena’s champions to progress; if teams take too long, an enemy called the Harbinger joins the fight. After clearing an arena, players have 30 seconds in a hub area to restock weapons and equipment before moving on.

Runs include randomized enemy spawns, objectives and rewards. Player characters can upgrade four attributes during a run — damage, recovery, resistance and speed — and an AI Aggro display tracks how enemy attention is divided among team members. The mode features bosses, elimination objectives that drive progression, and an auto-scaling difficulty that ramps as teams advance.

The official patch notes state the mode is intended to challenge skilled players and list the core mechanics and systems. The update arrives after the Halo Infinite team said in November 2025 that they were shifting focus to other Halo projects and considered the then-current release their final major update.

Players can download the update now on Xbox One, Xbox Series X/S and PC and try Operation Firefight: Gauntlet immediately.