G-46B: the clue half of the fifteen-button puzzle
G-46B is the reading half. Put its dial in the blue zone, read the parts row by row, then the G-46C player presses top row 3 and 4, middle row 2, bottom row 3 — four lamps light when it is right.
G-46B is not a lock you can solve on your own. It is the reading half of the fifteen-button puzzle in the Temporal Research Centre: one explorer reads three screens and turns a dial, the other presses four buttons on G-46C. Everything below is that division of labour, in the order the room wants it.
Pairs with: Symbol puzzle hub · Chapter 5 · Temporal Research Centre
The answer in one line
Set the G-46B dial so its pointer sits in the blue zone, then have the G-46C player press top row button 3, top row button 4, middle row button 2, bottom row button 3 — counting rows from the top and buttons from the left. Four lamps above the G-46C panel light when the input is right.
That is the whole answer. The rest of this page is why it works and what goes wrong when it does not.
What G-46B actually shows
The two panels sit in the same wing and face different players. G-46B carries the clues; G-46C carries the fifteen buttons in three rows of five, plus the four lamps.
| Screen on G-46B | What it gives you | How to use it |
|---|---|---|
| Orange, top | The parts of the target symbol, drawn in two rows | Treat it as a parts list: the finished symbol has to contain every part on both rows |
| Orange, lower | A rule with a tick and a cross: separate circles are allowed, touching or overlapping circles are not | This is the row that decides between two glyphs that look equally likely |
| Yellow | A circle with a small circle on each side | The one shape you must be able to describe unambiguously |
| Dial or lever below the screens | Grey, red and blue zones | Turn it until the pointer is in blue, and stop there |
Our sources disagree on that last row: one describes a single dial, another describes two levers that both go to blue. Both send you to the same zone, so set whatever your panel physically has and stop when the pointer is blue — the puzzle does not care which hardware version you are on.
Who says what
The room is a description task wearing a button puzzle, so agree on the words before you touch anything.
- Name the centre first. Filled or hollow, and how big relative to the panel edge.
- Then the outside. How many separate pieces, and do any of them touch? The tick-and-cross screen is the authority on touching, not your partner's opinion.
- Then the positions. Rows and sides — "one small circle left, one right, both clear of the centre" beats "the circle one".
- Confirm before pressing. On G-46C, a wrong press clears the lamps, not the puzzle: you can re-read and try again, but you lose the line of reasoning you had.
Why the same answer fails for some pairs
- The dial is still in grey or red. The button player can press the exact four positions and get nothing. Check the pointer before you blame the sequence.
- The glyphs are redrawn, the positions are not. The four positions above are fixed across the runs we have; the faces drawn next to them can change after a reset. If your partner describes "the diamond" and the button you see is not a diamond, count positions and ignore the shapes.
- Two parts read as one. The overlap rule exists precisely because two circles that touch are a different answer from two circles that stand apart. Miss that row and you press a plausible-looking wrong sequence.
- Someone restarts the generator mid-read. The panels re-read on the new state; start the description again instead of finishing the old one.
If the lamps stay dark
- Ask the reading player to re-check the dial first — it is the cheapest thing to be wrong about.
- Re-read the rule screen and confirm every part is separate.
- Clear the four buttons you pressed in order, then press them again from a clean state: the panel does not always register a fast re-press.
- If the last press lit nothing but the first two lamps, the first two positions were right and the fault is in the bottom half — do not start over from the dial.
Where this was checked
The G-46C four-button sequence has two independent sources that agree, one of which names the guide it cross-checked. The G-46B panel was unnamed in the sources we had on 22 October; by 28 October a fan walkthrough had documented it with timestamps in two recorded playthroughs, and a Russian Steam guide describes the same blue-zone levers and the same four button positions.
Two things are still single-source and are marked as such here rather than smoothed over: the exact number of controls on G-46B (dial versus two levers) and the wording of the yellow screen. Neither changes the four positions.
Everything else on this page — the reading order, the failure list and the lamp behaviour — is written from the panel's own logic plus what the sources show, against the 1.1.2 build.
