Marathon's Vault Breaker PvE Mode Finally Makes Cryo Archive Click

IGN writer Jeremy Peel spent over 200 hours in Marathon before Bungie's new experimental Vault Breaker mode gave him a real foothold on Cryo Archive, the game's raid map. The mode is live now and runs until August 18.

Vault Breaker strips out the PvP element entirely, turning Cryo Archive into a PvE co-op challenge. You start with a key to one of the Archive's lower-security vaults and fight through waves of defending bots — solo or with a team — gradually expanding access to new areas of the ship. Progression works through hacking terminals and looting security tags off enemies to raise your clearance level. Vault doors themselves are battery-powered, and finding those scattered batteries is a core part of the loop. The mode is described as genuinely brutal — not the welcoming co-op entry point that Destiny veterans have been asking for — but it cuts the cognitive load just enough to let the map's design breathe.

Cryo Archive has been one of Marathon's most inaccessible spaces since launch. It's weekend-only, locked behind roughly 24 season level-ups, and historically dominated by a small pool of top players who already had the labyrinthine layout memorized. For everyone else, the combination of Destiny-style vault puzzles, tough bot encounters, a disorienting vertical maze, and skilled human opponents arriving on top of all that proved simply overwhelming. Peel's take is that the map's PvPvE balance asks too much of the "E" — the environment — before players ever get a chance to learn it. Vault Breaker reframes Cryo Archive as a puzzle-shooter first, and the result is that the map's atmosphere and design — the frost-coated vents, the narrow crawlspaces, the unsettling "WORK IN PAIRS, LEAVE IN PAIRS" signage — finally have room to register.

Vault Breaker is a temporary mode and disappears on August 18, so the window to experience Cryo Archive this way is short. Whether Bungie makes something like it permanent — or uses the data to rethink the map's PvPvE balance — remains to be seen.