Loopy
Simon Tatham
Plays on mobile
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Better known as Slitherlink, Loopy asks you to draw one single closed loop along the grid lines that never crosses or branches.
Each number tells you how many of that cell's edges belong to the loop. Beyond the classic square grid there are hexagonal, triangular, Penrose and many other tilings, so the same idea keeps feeling fresh.
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Step 1: Left-click an edge to add or remove a line; right-click to mark an edge as definitely empty.
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Step 2: The puzzle is solved when the loop is closed and every number is satisfied.
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Step 3: Check the Type menu for many different grid shapes.
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Step 4: On touch screens a tap acts as a left click, a long press as a right click and a drag as a mouse drag.
- Keyboard
- Mouse
- Touch
Mouse
- Remove
- Mark
Once the game starts, its controls are also shown on screen.
Full instructions
Left-click an edge to add or remove a line; right-click to mark an edge as definitely empty. The puzzle is solved when the loop is closed and every number is satisfied. Check the Type menu for many different grid shapes. On touch screens a tap acts as a left click, a long press as a right click and a drag as a mouse drag.
Credits and license
- Developer
- Simon Tatham
- License
- MIT
- Source
- chiark.greenend.org.uk/~sgtatham/puzzles/
- Attribution
- Loopy is part of Simon Tatham's Portable Puzzle Collection, copyright 2004-2024 Simon Tatham and contributors (MIT licence, full text in LICENCE).
This game is hosted under the terms of its license.
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