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The Backpack is an Astroneer's all-purpose storage and small item fabrication solution. It features 8 inventory slots, 2 small attachment points, a small printer, and storage for both oxygen for the Astroneer and power for their Terrain Tool.

The various features of the backpack can be accessed by "opening" it, making it larger and easier to interact with. To open the backpack, simply press Q on the keyboard or Xbox One - B Button on the Xbox controller, or press Xbox One - Y Button to select it directly using the cursor.

Inventory Slots[edit | edit source]

The backpack has 8 slots dedicated to resource and small item storage. Items can be placed into, removed from, and rearranged within these slots manually, but as long as there is an inventory slot available, resource stacks collected with the deform tool or items created using the backpack's printer will be automatically placed there. If all inventory slots are full, newly created or collected items will drop to the ground nearby. To quickly put items into backpack slots, Shift and left click on the item or hover over the item with Xbox One - Right Trigger and press Xbox One - Y Button.

Widget Slots[edit | edit source]

The Research Catalog

There are 2 additional slots on the top left and right of the backpack, which is meant for Widgets. These are commonly used to host items such as the Solar Panel, Worklight or Portable Oxygenator. Some widgets in these slots can be toggled on and off using the context keys (default C and V, left and right respectively), such as the Worklight, Portable Oxygenator or Small Generator. Like other attachment points, however, they can also be fitted with resource stacks or other small items for additional storage.

Research Catalog[edit | edit source]

Pressing Tab will open the research catalog, where player can purchase Schematics using accumulated Bytes. The catalog is separated into 4 different size categories, corresponding to the four sizes of objects created by the corresponding printers. The catalog includes a pad with buttons that can be used to navigate around it, which also hints which controller buttons are used to navigate around the catalog.

The movement keys can be used to move around a category, and the Context Left/Right keys to change categories. Alternatively, the buttons and schematics can be clicked on to move to categories or different items.

Backpack Printer[edit | edit source]

Using the small printer on the Backpack, items can be crafted on the go at the cost of 3 Units of Power. Cycling through the available items will automatically move the appropriate resource to the printer's input slot if it is already in the backpack. This input slot can be used to deliberately store a specific extra resource, if so desired, but be forewarned that changing the item to be printed will eject the contents of the input slot from the backpack if the rest of its inventory slots are already full.

Larger objects can be printed using the Small Printer, Medium Printer, and Large Printer.

Printable Items[edit | edit source]

Name Tiers Recipe Byte Cost
Icon Tether.png Tether Small Icon Compound.png Compound Unlocked
Icon Oxygen Tank.png Oxygen Filters Small Icon Resin.png Resin Unlocked
Icon Canister.png Small Canister Small Icon Resin.png Resin Unlocked
Icon Generator.png Small Generator Small Icon Compound.png Compound Unlocked
Icon Beacon.png Beacon Small Icon Quartz.png Quartz Unlocked
Icon Worklight.png Worklight Small Icon Copper.png Copper Unlocked
Icon Oxygen Tank.png Small Oxygen Tank Small Icon Glass.png Glass 2,000
Icon Oxygenator.png Portable Oxygenator Small Icon Nanocarbon Alloy.png Nanocarbon Alloy 10,000
Icon Power Cells.png Power Cells Small Icon Zinc.png Zinc 800
Icon Solar.png Small Solar Panel Small Icon Copper.png Copper 500
Icon Wind Turbine.png Small Wind Turbine Small Icon Glass.png Glass 500
Icon Battery.png Small Battery Small Icon Lithium.png Lithium 2,000
Icon Extenders.png Extenders Small Icon Copper.png Copper 500
Icon Augment.png Boost Mod Small Icon Zinc.png Zinc 1,000
Icon Augment.png Wide Mod Small Icon Zinc.png Zinc 1,000
Icon Augment.png Narrow Mod Small Icon Zinc.png Zinc 1,000
Icon Augment.png Inhibitor Mod Small Icon Zinc.png Zinc 1,000
Icon Augment.png Alignment Mod Small Icon Zinc.png Zinc 1,000
Icon Augment.png Terrain Analyzer Small Icon Zinc.png Zinc 2,000
Icon Augment.png Drill Mod 1 Small Icon Ceramic.png Ceramic 1,000
Icon Augment.png Drill Mod 2 Small Icon Tungsten Carbide.png Tungsten Carbide 2,500
Icon Augment.png Drill Mod 3 Small Icon Diamond.png Diamond 3,750
Icon Thruster.png Solid-Fuel Jump Jet Small Icon Aluminum Alloy.png Aluminum Alloy 5,000
Icon Thruster.png Hydrazine Jet Pack Small Icon Titanium Alloy.png Titanium Alloy 15,000
Icon Dynamite.png Dynamite Small Icon Explosive Powder.png Explosive Powder 3,750
Icon Fireworks.png Fireworks Small Icon Explosive Powder.png Explosive Powder 3,750
Icon Worklight.png Floodlight Small Icon Tungsten.png Tungsten 2,000
Icon Worklight.png Glowsticks Small Icon Organic.png Organic 350
Icon Packager.png Packager Small Icon Graphite.png Graphite 1,000
Icon Small Camera.png Small Camera Small Icon Steel.png Steel 2,500
Icon Tier Medium.png Small Printer Small Icon Compound.png Compound Unlocked
Icon Probe Scanner.png Probe Scanner Small Icon Steel.png Steel 4,000
Icon Figurine.png Holographic Figurine Small Icon Plastic.png Plastic 3,000
Icon Horn.png Small Trumpet Horn Small Icon Plastic.png Plastic 1,000

Oxygen and Power Storage[edit | edit source]

  • Prominently displayed on the backpack are two gauges: the horizontal oxygen gauge in light blue, and the vertical power gauge in bright yellow.
  • Enough oxygen is stored for 72.5 seconds of untethered field work. Running consumes a little more oxygen, making the tank empty in 50 seconds instead.
  • You get a notification when the tank is 50% and then 25% full. When you run out of oxygen, you are suffocating. Within 5 seconds of starting to suffocate, you cannot run anymore. After 15 seconds of suffocation, you will die and be sent back to your ship or shelter.
  • Each segment of the vertical yellow bar represents a single Unit of power, storing a total of 10 Units.
  • Power is only drained when using an Augment on the Terrain Tool, or when using the printer.
  • A small battery stores enough power to use a single augmented deform tool continuously for about 64 seconds, depending on whether power-generating widgets are being used.
  • As an internal battery, the backpack will not transfer its charge to other batteries.

Trivia[edit | edit source]

  • Technically the backpack has a total of 14 available slots (8 backpack inventory slots, 2 attachment slots, 1 printer inventory slot, and 3 more slots on the terrain tool as of the latest update)
  • Initially in the tutorial, the oxygen tank in the player's backpack is smashed open, presumably by the crash the player experienced at the start. This renders it impossible to survive for any length of time away from a oxygen source, as the moment the player leaves a tether's range, they will begin to suffocate. The moment the player interacts with the dead astroneer's backpack however, they replace the smashed oxygen tank with the discarded backpack's good one, enabling the player to travel away from tethers as they normally would be able to.
  • A broken version of the Research Catalog can rarely be found, and was added to tease the working counterpart's addition in a later update.
  • A total of 284,050 bytes are needed to research every Schematic in the game.

Media[edit | edit source]