Marathon's extraction shooter will introduce Vault Breaker, a player-requested PvE-only mode launching July 21. The roguelite experience tasks players with clearing progressively difficult vaults in Cryo Archive, earning Vault Data to upgrade equipment and purchase gear from an in-game armory, though extracted items are restricted to event currency and seasonal rewards.

The experimental release serves as a precursor to a comprehensive PvE mode arriving in September. Observers note competitive timing challenges, as the feature rollout occurs amid crowded game releases including Call of Duty's extraction mode and Grand Theft Auto 6 launching in November, raising questions about whether the delayed PvE implementation can effectively attract or retain players.