How to increase vault capacity in Marathon

The vault acts as your storage or stash in Marathon. Since the game revolves around looting, you’ll likely want to increase vault capacity to hoard more items, guns, and equipment. Managing your inventory is especially awkward early on, and upgrading your stash space takes time but makes long-term inventory management much easier.

To expand your vault, purchase the "Expansion" upgrades in the CyberAcme faction skill tree. Found in the top-left of the "Upgrades" menu, there are five upgrades in total, for an eventual extra 240 slots, though they come at a significant cost.

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