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Spoilers: The available sources do not verify which boards make up “Part 3” or provide a complete, board-matched solution order. That means an exhaustive move-by-move walkthrough cannot be given reliably yet. Here is what is established—and what you need to identify the correct puzzles before following any solution.
What “Part 3” refers to—and what is not confirmed
Order of the Sinking Star is a puzzle adventure by Thekla, Inc., published by Arc Games and Gamirror Games. Its official Steam listing names Alan Hazelden’s original Mirror Isles as an inspiration. The listing describes more than 1,000 interconnected, hand-crafted puzzles across four worlds.
However, the sources available do not establish a definitive “Part 3” puzzle list, its numbering, or the intended order. They also do not provide a verified sequence of moves for every board in that section. A walkthrough that labels a particular set of levels “Part 3” without matching them to the game’s actual boards could send you through the wrong puzzles.
How to identify the right boards
Use the puzzle names or numbers shown in your game, along with board images and starting positions, to identify the section. Directions such as “move left” or “push the stone” are only useful when they refer to a specific layout and orientation.
#1 Best Overall
- Record the visible puzzle name or number for each board.
- Capture the full board, including the player, mirrors, movable objects, islands, and exit.
- Note the game build or platform, since controls and mechanics should be checked in the version being played.
Without those identifiers, no complete ordered solution can be responsibly assigned to “Part 3.”
Useful Mirror Isles solving principles
An independent fan guide recommends tracking equal distances from the mirror, preserving a safe landing tile, and considering whether to move the mirror before moving the hero. These are general hints, not proof of which puzzles belong to Part 3 or how to solve them.
Rank #2
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- Track the player and reflection as positions connected by the mirror relationship.
- Before a swap, check that the destination is a safe, reachable tile.
- Consider whether repositioning the mirror first creates a viable landing point.
The original Mirror Isles page by Alan Hazelden lists arrow keys to move, Space to swap, Z to undo, and R to reset. Those bindings are documented for the original game, not confirmed for the corresponding mechanics or controls in Order of the Sinking Star. Check the current game’s controls before relying on them.
Why a demo-board solution may not match Part 3
A Steam Community discussion describes one demo board involving repositioned mirrors, a purple stone, and a route to the exit. Another commenter reports solving that same board without creating a clone. Those are community-authored, board-specific routes; the discussion does not establish that the board is part of Part 3.
A search result also advertises a demo walkthrough with 23 Mirror Isles levels, but the video was not available for inspection. Its existence does not verify the section boundaries or any move sequence.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Release status shown on Steam
When the official Steam listing was checked on October 7, 2026, it showed a planned October 8, 2026 release date and said the game was not yet available. Release information can change, so check the current Steam listing for the latest status.
Quick Recap
Best Value
Rank #4
- FUN and fast-paced board game that will have players strategising and sabotaging. Sinking City can be enjoyed all year round and is a must-have addition to games collections for school summer holidays or cosy winter nights.
- PLAYERS : 2+6 or teams
- AGES: 13+
- CONTENTS: Game Board, Instructions, 1 x Wooden Die, 6 x Playing Pieces, tokens, tiles, cards
- Let the games continue, this product has been designed to keep , please enjoy, replay, and give away for further play
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