Backpacks

A Backpack is an item used to increase the player's inventory slots. There are several in Abiotic Factor and some have effects beyond increasing the inventory capacity. The main inventory initially starts with 12 slots, representing the character pockets.

Image	Name	Weight	How to Obtain	Effects
	Makeshift Backpack	2	Crafting	10% Weight Reduction +3 Slots (total: 15)
	Basic Backpack	3	Found in the Facility Enemy Drop	15% Weight Reduction +6 Slots (total: 18)
	Security Pack	4	Found in Facility	14% Weight Reduction +9 Slots (total: 21)
	Radio Pack	4	Enemy Drop	Radio Pack 11% Weight Reduction +9 Slots (total: 21)
	Military Pack	4	Enemy Drop	20% Weight Reduction +12 Slots (total: 24)
	Jetpack	10	Crafting	Allows flight by jumping twice 20% Weight Reduction +12 Slots (total: 24)
	Rat Pack	10	Enemy Drop*	Lab Rat (Debuff) +18 Slots (total: 30)
	Research Pack	6	Crafting	Research Pack (Buff) 22% Weight Reduction +18 Slots (total: 30)
	Alpine Pack	4	Enemy Drop in Voussoir	+1 Cold Resistance 33% Weight Reduction +18 Slots (total: 30)
	Voidpack	8	Crafting	25% Weight Reduction +24 Slots (total: 36)
	Long Jump Pack	10	Crafting	28% Weight Reduction +18 Slots (total: 30)
	Pocket Dimension	10	Crafting	30% Weight Reduction +30 Slots (total: 42)
	Giant's Pack	10	Enemy Drop	Ammo Pack 30% Weight Reduction +18 Slots (total: 30)
	Chieftain Pack	6	Enemy Drop	Pack Leader 20% Weight Reduction +12 Slots (total: 24)

Notes

• The Rat Pack is a special drop and requires a Lab Rat / Sapper to be killed with Blunt damage while still trapped using a Net Launcher.
  • Blunt weapons with effects can be used (i.e. with Thermal Mallet.) However, the chances of succeeding are lower since the Lab Rat will likely die from the effect instead of blunt damage.