Where are the three fuses, and where do I put them?

Steps

1. Stop searching at floor level. Every source that names a position puts all three fuses above the play area.
2. Look along the metal beams and the catwalks, and check the light fixtures — those are the landmarks two independent sources agree on.
3. Build a way up rather than walking onto the catwalk; a 21 August full-release recording shows it cannot be walked onto at first, and players reach the fuses by surfing on placed panels.
4. Put all three into the fuse box on the right-side upper catwalk.
5. Save deliberately once you have a fuse in hand: since Update 1.0.6, fuses return to their spawn position when you save, unless they have been placed.

Where the sources agree and where they differ

• Agree — beams: the 25 August community reference says metal beams; the demo thread and the independent demo walkthrough both name an overhead beam.
• Agree — lights: the community reference says lights; the demo sources name a light fixture.
• Differ — the third landmark: the community reference says catwalks, while the demo sources name the camera structure. No source reconciles the two, and this page does not either.
• Agree — the box: a post-release developer reply, a 19 August community guide and a 21 August full-release recording all place the fuse box on the right-side upper catwalk.

Requirements / limits

• The developer's demo update confirms three fuses, added visual clues and a retrieval fix, but names no positions.
• The 25 August reference describes the landmarks by type — beams, catwalks, lights — not by map position. It tells you what to look at, not where to stand.
• Update 1.0.5 states that key items should no longer end up stuck in a wall with no way to retrieve them; they respawn, and ores go straight to the bank.
• Update 1.0.6 adds that fuses return to their spawn position on save unless placed, so a fuse you carried halfway and then saved on will be back where it started.
• Four full-release recordings were transcribed on 23 August 2026 and none of them states a fuse position out loud. Players describe fuses while looking at them, which is why the video record could not close this and a written reference could.

What placing the third fuse does

In the 21 August recording, installing the third fuse prints "Ceiling grid retracted. Ascent authorized." The same run shows an in-game achievement description reading "Find and place all fuses", but it never names which achievement that description belongs to, and the public Steam list leaves nine descriptions blank — UP? among them. This page therefore does not attribute that description to UP?.

One caution from the same session: after the message appeared, the ceiling did not visibly open, and the player reports finding the roof open only after restarting. That is one player on one build, recorded here as their experience rather than as a fact about the game.

Common mistakes

• Sweeping the floor and the machines. Nothing in any source puts a fuse at ground level.
• Trying to walk onto the catwalk. You build up to it.
• Saving mid-carry and then hunting for the fuse where you dropped it. On builds from 26 August it went home.

Still unverified

• Is the third landmark a catwalk or the camera structure?Single unconfirmed reportThe 25 August reference says catwalks; the demo-era sources say the camera structure. Each is a single source for its own version, and no source addresses the discrepancy.
• Is "Find and place all fuses" the description of the UP? achievement?Not verifiedThe public Steam list leaves nine descriptions blank, UP? among them. A recorded in-game list shows that description but never ties it to a name.
• Does the ceiling actually retract when the third fuse is placed?Single unconfirmed reportOne player saw the message without a visible change and reported the roof open only after restarting.