[[File:BackpackComposite.png|right|thumb|Preview of available backpacks|260px]]
[[File:BackpackComposite.png|right|thumb|Preview of available backpacks|260px]]
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Your inventory initially has 12 slots, but you can upgrade it to a total of 36 slots. The upgraded backpacks are available immediately at the start of the game and can be purchased at [[Pierre's General Store]] once you have enough [[gold]].
The "Large Pack" (which is red) expands inventory to 24 slots and costs {{Price|2000}}. The "Deluxe Pack" (which is blue) expands invenory to 36 slots and costs {{Price|10000}}. Once both backpack upgrades have been purchased, the "For Sale" sign on the shelf disappears.