Order of the Sinking Star official cover art

Mirror Isles puzzle 15

Quick answer

The starting island is L-shaped. A purple crystal is in its upper-left area, a mirror stands to the right of it, and a fixed dark rock is immediately east of the mirror. The eastern ledge ends one water tile before the separate exit island. The trader starts in the lower-left lobe.

How this guide was checked

Coverage: Released · Steam r67271 · PS5 and Switch 2 physical editions planned for 2027 · official sources checked October 23, 2026 UTC. Research checked 8 Oct 2026. Updated 25 Oct 2026

This guide uses the linked sources and any attributed demonstrations. Platform differences and limitations are noted with the advice they affect.

See the 5 sources
5 sources
Creator clipChecked on screen · 25 Oct 20264 steps1 moment · 0:16
  1. Spoiler6:49–7:05Observed solution and gameplayTap to reveal · Joric

Open marked sections to reveal solutions or story details.

Before you start

  • Start from a reset room matching the diagram. The demo recording was published June 17, 2026; its exact build number is not shown.
1

Match the starting layout

Joric video entry 15 · Community map identifier: mirror_17. The diagram shows the starting landmarks; use the video for exact tile positions and mirror angles.

The starting island is L-shaped. A purple crystal is in its upper-left area, a mirror stands to the right of it, and a fixed dark rock is immediately east of the mirror. The eastern ledge ends one water tile before the separate exit island. The trader starts in the lower-left lobe. Simplified starting landmarks; use the video for exact tile positions and mirror angles.
P: trader · M: mirror · C: crystal · R: fixed rock · E: exitOriginal Kingy starting-layout schematic from Joric’s gameplay recording, published June 17, 2026. · Open full-size diagram ↗
Sources for this section
2

Hint 1 — a direction to explore

Reveal solution / story details

The mirror and crystal can pass on different sides of the fixed rock. Look for room to position each one before trying to fill the water gap.

Sources for this section
3

Hint 2 — the useful arrangement

Reveal solution / story details

Bring the mirror around the top of the rock and the crystal around its bottom. Two reflection positions move the crystal onto the ledge row that faces the exit island.

Sources for this section
4

Observed solution and gameplay

Reveal solution / story details

The fixed rock stays in place. The video shows the route around it and the two crystal placements; this guide leaves the initial push counts unenumerated.

  1. Move the mirror around the top of the fixed rock and onto the eastern ledge (6:54).
  2. Push the crystal south, then east around the bottom of the rock until it lines up below the mirror. Reflect it onto the upper part of the eastern ledge (6:59).
  3. Shift the mirror right. Use reflection again to place the crystal on the ledge’s lower row, facing the water gap (7:01).
  4. Stand to the crystal’s left and push it right into the gap (7:02). Cross it and walk down to the exit (7:04).
    Spoiler clip · Take the mirror around the fixed rock, bridge the gap and reach the exit · reveal

    Older footage · checked Oct 25, 2026 · before Order of the Sinking Star full release (October 8, 2026)

    6:49–7:05 · 16 sTake the mirror around the fixed rock, bridge the gap and reach the exit

    On screen: Demo room 15: an L-shaped island with a mirror next to a fixed dark rock and the trader in the lower-left lobe, and the exit on a separate island to the right. The mirror moves onto the eastern ledge past the rock, and the room ends with the trader on the exit.

    Check the guide’s version notes before following older footage.

    JoricFull video ↗
    Credits

    “Order of the Sinking Star (Demo) Solution - Mirror Isles (East), 23 Levels” by Joric · Jun 17, 2026 · June 2026 public demo (uploaded June 17, 2026); build not shown; predates the full game

    Independent creator · no partnership implied

    Creator? Ask us to remove this

    6:49–7:05Spoiler clip
Sources for this section

Did this answer your question?

Sources · 5Official · Walkthrough · Reported · checked 15 Oct 2026 · Research checked 8 Oct 2026
Official developer announcements ↗Official Steam announcement feed checked October 12, 2026. Latest full-game notes are the two October 12 updates; latest demo technical post remains July 10 and content update June 19. Numeric game version, current demo access and native gameplay recovery remain unconfirmed.Official ·
Demo Content Update Now Live ↗June 19 demo content expansion, fetched October 8. Bard, Druid, over 100 puzzles and more combined-world content. Its June 22 availability deadline was superseded by the June 22 extension to June 26. These dates are historical, not current download availability.Official ·
Mirror Isles: 23 demo puzzle solutions ↗Original demo gameplay; starting, intermediate and exit states visually checked at each guide’s cited timestamps. Exact native build is not displayed. Video chapter numbers are the creator’s sequence. Historical gameplay review retained from 2026-09-13; October 8 fetch checked source availability only.Walkthrough ·
Demo map and community-reported level identifiers ↗Community map labeled June 19, 2026. Native file identifiers are reported by the creator; the companion PuzzleScript player is a separate implementation, not a native-game playtest.Reported ·
How the demo level identifiers were recorded ↗Creator’s account of observing native level-file names. The names are not official display titles.Reported ·

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