Solve the Open Chest plate-lock puzzles: set up your lock, define how the plates pull each other, and get the exact moves to line them all up.
📚 Puzzle library
1 · The lock & starting positions
Click any hole to drop that plate's stick there (brass pin). The dashed gold line is hole 4, where all plates must line up. Click the dashed ＋ slot to add a plate, or the ✕ on a plate's right to remove it.
2 · Chain reactions
Each row is a base plate. Click its label to pick the direction you slide it — right → or ← left (handy when a plate sits at hole 1 or 7 and can only go one way). Then click a cell to record which way that move slides another plate:
→ its plate slides right, click again for
← slides left, again to clear.
Judge by the moving metal plate, not its brass pin — the pin always appears to slide the opposite way. The opposite base direction is filled in for you automatically.