Inventory & backpack
Why your pack fills so fast, what the backpack is actually for, and the one rule that protects your key items.
Your inventory is small on purpose. Public reports put the base capacity at 9 slots, with a backpack adding 9 more but removing your sprint. The backpack is best used for moving camp, not for daily exploration. Keep key items out of it, and update to patch 1.0.47.0 for the item-loss fixes.
Why the inventory is small
This is not an oversight. The developer's Dev Blog #10 explains the design: a small inventory forces you to decide what is worth bringing back, what you might need later, and when it is time to return to camp. The backpack was designed more as a way to pack up your belongings and move camp to another campsite than as something you carry on every expedition.
If you fight the inventory, you will be miserable. If you plan around it, the round trip becomes the game.
The numbers we can verify
| Detail | What we know | Evidence |
|---|---|---|
| Base inventory | Limited; can be expanded to 9 slots according to a public review | Community-reported |
| Backpack | +9 slots, but removes sprint according to a public review | Community-reported |
| Hotbar | Six visible slots in official screenshots | Official screenshot |
| Death pack | Drops your items on death; patch 1.0.47.0 changed how packs behave in water | Official patch notes + reviews |
| Key items | Prison key and silver dagger can be lost if a backpack bug triggers | Community-reported |
Keep quest items in your normal inventory, not the backpack. The patch fixes reported loss paths, but the backpack is still the bag that drops on death. A key item in your pockets is safer than a key item in the bag you are testing.
What to carry on a normal run
- One weapon and one shield. You need to disengage, not win every fight.
- One light source. A torch is a tool, not a luxury.
- One traversal tool you expect to need. Pickaxe, hammer or bow — not all three unless the route demands it.
- Cooked food and water. Finished meals beat raw ingredients on a short trip.
- One empty slot. The thing you came for needs somewhere to go.
What to leave at camp
- Duplicate materials you can re-collect.
- Raw ingredients you will not cook before they compete for slots.
- The backpack, unless you are moving camp or hauling a large load.
- Tools for materials you do not expect to meet.
The death pack, after 1.0.47.0
The patch notes say backpacks and death packs now wash ashore like items instead of sinking out of sight when they end up in water. That is a meaningful quality-of-life change on flooded routes. It does not mean death is free: you still have to recover the pack, and a pack in a dangerous room can cost more than the items are worth.
Co-op inventory habits
Each player has their own slots, but the camp stash is shared. Call when you are full, hand off key items to a player who is returning to camp, and do not pass backpacks around mid-run. The patch fixed a content swap/duplication bug, but avoiding the behavior is still cheaper than testing it.
When to expand
Public reviews describe expanding the base inventory to 9 slots. Do that when the limitation is actually the thing stopping your runs — not before you have a camp kitchen and a reliable clay route. More slots do not help if you cannot cook, and the backpack's sprint penalty can make a long route worse.