What can you do as a free member?

Member benefits illustration

Create your free account today and unlock all our premium features and tools to enhance your gaming experience.

Member benefits illustration

Create your free account today and save articles to your watchlist and get notified when they're updated with new information.

Member benefits illustration

Create your free account today and save your favorite games for quick access later, synced across all your devices.

Member benefits illustration

By creating a Game8 account and logging in, you'll receive instant notifications when someone replies to your posts.

Comment rating feature illustration

By creating a Game8 account and logging in, you can make use of convenient features in the comments section, such as rating and sorting comments.

Premium archive feature illustration

By creating a Game8 account and logging in, you can access Premium articles that are exclusively available to members.

Site Interface

Guest
Free Member
Article Watchlist
Game Bookmarks
Cross-device Sync
Light/Dark Theme Toggle
User Profiles
Direct Feedback
Comment Rating

Game Tools

Guest
Free Member
Interactive Map Access
Interactive Map Pins
Interactive Map Comments
Interactive Map Pins Cross-Device
Check List
Event Choice Checker
Deck Builder Cross-Device
Message Board Notification
Message Board Cross-Device
Build Planner
Stat Calculator
Diagnostic Tool
Weapon/Armor Wishlist

Want more information?Learn more

The Callisto Protocol

Inventory Upgrade Guide: How to Increase Your Inventory Space

Add to Watchlist

★Game8's Dead Space Remake is now live!
game8 Review of the Callisto Protocol - Is it Worth Playing?
All Implant Bios Locations
★ Use the guns in our Best Weapons Guide!
How to Use Contraband Pack & List of Contents
Clips of All Death Animations
Season Pass Guide - Price and All Contents!

Callisto Protocol Inventory Guide

Inventory space is limited in The Callisto Protocol and you are going to need all the upgrades you can get to survive in this game. Read on to find out how to open and upgrade your inventory!

Items and Inventory
List of Items Inventory Upgrade Guide

How to Upgrade Inventory Size

Progress Through the Story to Upgrade Your Suit

Free the Inmate.jpg

You must reach a certain point in the campaign to upgrade your inventory space. In the chapter Lost, you will eventually be presented with an upgrade for your suit. The new suit doubles your inventory space and increases your maximum health.

Lost Walkthrough and Implant Bio Locations

How to Open the Inventory

Press the Inventory Button to Open the Inventory

Inventory Screen

How to Open Inventory
(Controller)
Press Up on the D-Pad to go to the Inventory Screen.
How to Open Inventory
(Keyboard)
Press Tab to go to the Inventory Screen.

The controls above are the default mapping. It is important to note that opening your inventory does not pause the game and enemies are still able to attack you. You will need to hit pause if you need a breather.

The Callisto Protocol Related Guides

Callisto Protocol - Tips and Tricks Tips and Tricks:
Beginner's Guide to The Callisto Protocol
## All Tips & Tricks

Skins and Cosmetics
List of Skins How to Get the Biophage Skin
How to Get the Retro Prisoner Skin How to Get the Founder's Pack
How to Get the Prospector Skin How to Get Watchtower Skin
How to Get Outer Way Skin -
Game Mechanics & Upgrades
All Reforge Weapon Upgrades Inventory Upgrade Guide
How to Get Armor How to Heal
How to Farm Callisto Credits Ammo Farming Guide
How to Perform a Quick Kill -
Weapons & Combat
Best Upgrades Guide Gun Controls Guide
How to Dodge Melee Attacks How to Block
Best Weapons Guide Perfect Dodge Guide
System / FAQs
Difficulty Settings Guide Best Settings Guide
New Game Plus Guide Season Pass Price and Contents
All Permanent Events and Missable Content List of All Death Animations/Scenes
How to Fix Stuttering and Frame Rate Issues Can You Save the Trapped Worker?
How to Pre-Load How to Fix Low Quality Text
How to Use Photo Mode Is There a Map?
How to Reset Checkpoints Contagion Mode Guide
How to Save: Can You Turn Off Autosave? What are Beta Paths?
All Weapon Schematic Locations Ending Explained
Can You Quick Turn? Can You Skip Cutscenes?
List of Unlockables -

Author

    Please participate in our site
    improvement survey
    12/2025
    Would you assist in
    improving Game8's site?
    ×
    This survey will take about 1 minute.
    Your answers will help us to improve our website.
    We are listening to our users' valuable opinions and discussing how to act on them.
    The information collected through this survey will be used for the purpose of improving our services. In addition, the information will only be disclosed a part of a statistic in a format that will not allow identification of personal information.
    Begin Survey

    All rights reserved

    Guide Index