Blue Prince: Upgrade Disk Guide

Upgrade Disks are some of the most powerful and valuable items you’ll find in Blue Prince. While they’re not needed to reach Room 46, they make your runs smoother, your puzzles easier, and your odds of survival higher. If you’re lucky enough to find one, don’t waste it.

Here’s everything you need to know about Upgrade Disks in Blue Prince.

What Are Upgrade Disks?

Upgrade Disks are rare, collectible items that let you permanently enhance specific rooms in the mansion. When used at a Terminal, each disk gives you a choice between three unique perks tied to one room.

Once you choose an upgrade, it sticks. That room will always have that effect for the rest of your future runs.

Where to Use Upgrade Disks

To activate a disk, you need to find a Terminal. The most common one is in the Security Room, but you can also find terminals in places like the Shelter, Office, and Laboratory.

Once you log in using the SWANSONG password (if needed), choose the "Upgrade Room" option. You’ll be shown a random room floorplan with three potential bonuses—pick carefully.

Example Room Upgrades

Here are a few examples of what upgrades can look like:

Parlor Room

• Adds an extra Wind-Up Key for each puzzle attempt.

• Makes logic puzzles easier to solve.

Billiards Room

• Converts all math puzzles to simple addition.

• Adds more common rewards like Keys.

Workshop

• Allows you to craft with fewer materials.

• Unlocks new contraptions to build.

Observatory

• Adds extra stars at the start of each day.

• Makes constellations more likely to activate.

Not all upgrades are helpful in every situation, so try to match them to your playstyle or what you’ve been struggling with.

Tips for Using Upgrade Disks

• Don’t rush the decision. Once you pick a perk, it’s permanent.

• Hold onto your disk if you haven’t found a useful terminal yet.

• Prioritize puzzle rooms like the Parlor or Billiards early on—these get harder with every success, and upgrades make them much easier.

• The Disk effect is immediate, so if you upgrade the Commissary, for example, you’ll notice new shop items the next time you enter.

Final Blurb

In a game where nearly everything resets, Upgrade Disks are one of the few things that don’t. Use them wisely, and they’ll turn tough rooms into easy wins. Miss the opportunity, and you might be stuck solving division puzzles with squiggly lines and no mercy.

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