Subnautica 2 Hidden Upgrade Locations Guide: 7 Biobeds to Increase Backpack Capacity and Harvest Speed

Can't find the backpack expansion and harvest speed upgrades in Subnautica 2? This article details the locations of 7 hidden biobeds to help you expand your inventory to 8 slots, greatly increasing backpack capacity and harvest efficiency.

• Guide Topic: Exploration Tips

Prerequisites

• No prerequisite tools required, but you need to be able to swim freely to explore.
• It is recommended to bring a propulsion cannon or Sea Dragon to move quickly.

Recognition Correction

• The original ASR misrecognized 'upgrade module' as 'biobed', which is actually a hidden upgrade device in the game.
• 'Lamp kinetic 120 zone partial area' might refer to 'Lamp kinetic 120 zone north/east area', pending confirmation.

Compact Steps

First Backpack Expansion Point (Northeast by East 62°)

Time: 00:07.400 - 00:22.170

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1

First Backpack Expansion Point (Northeast by East 62°)

Swim in the direction of northeast by east 62° to find the first biobed (upgrade module) to obtain backpack expansion.

Key Points:

• Direction: Northeast by East 62°
• Target: Biobed (upgrade module)
• Effect: Backpack expansion +1 slot

Second Backpack Expansion Point (Star-marked Cave Entrance Due East of Destination)

Time: 00:22.210 - 00:36.170

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2

Second Backpack Expansion Point (Star-marked Cave Entrance Due East of Destination)

Depart from the start or destination, head due east to find a cave entrance marked with a star, enter to see the second biobed, and obtain backpack expansion.

Key Points:

• Direction: Due East
• Marker: Cave entrance with a star
• Effect: Backpack expansion +1 slot

First Harvest Speed Increase Point (Cave Entrance Through Platform)

Time: 00:38.810 - 00:50.410

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3

First Harvest Speed Increase Point (Cave Entrance Through Platform)

After reaching a platform, enter the cave to find the third biobed, increasing harvest speed.

Key Points:

• Location: Cave entrance behind the platform
• Effect: Harvest speed increase

Backpack Capacity Increase Point (Right Turn Cave Entrance at Round House)

Time: 00:54.410 - 01:00.490

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4

Backpack Capacity Increase Point (Right Turn Cave Entrance at Round House)

Arrive at the round house, turn right into the cave entrance, find the fourth biobed, and improve backpack capacity.

Key Points:

• Location: Right turn cave entrance at round house
• Effect: Backpack capacity increase

Fifth Backpack Expansion Point (Under Large Iron Sheet)

Time: 01:02.900 - 01:06.340

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5

Fifth Backpack Expansion Point (Under Large Iron Sheet)

After spotting a large iron sheet, swim down to find the fifth biobed and obtain backpack expansion.

Key Points:

• Marker: Large iron sheet
• Direction: Downward
• Effect: Backpack expansion +1 slot

Second Harvest Speed Increase Point (Lamp Kinetic 120 Zone Partial Area)

Time: 01:14.020 - 01:17.500

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6

Second Harvest Speed Increase Point (Lamp Kinetic 120 Zone Partial Area)

In the lamp kinetic 120 zone partial area, look down at a 45-degree angle to find the sixth biobed and increase harvest speed.

Key Points:

• Location: Lamp kinetic 120 zone partial area
• View: 45 degrees downward
• Effect: Harvest speed increase

Seventh Backpack Expansion Point (Inside Wreck Ship Due East)

Time: 01:25.850 - 01:28.970

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7

Seventh Backpack Expansion Point (Inside Wreck Ship Due East)

Head due east to find a wreck, enter the ship, and see the seventh biobed to obtain backpack expansion.

Key Points:

• Direction: Due East
• Marker: Enter the ship within the wreck
• Effect: Backpack expansion +1 slot

Frequently Searched Questions

• How to expand backpack capacity in Subnautica 2?
• How to increase harvest speed in Subnautica 2?
• Where are the hidden biobeds in Subnautica 2?