Slant
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Player notes
About this game
Slant is the diagonal-line puzzle in Simon Tatham’s Portable Puzzle Collection. Every square must contain one diagonal. A number at a corner tells you how many lines must touch it, and the lines must never form a closed path.
Click or tap a square to cycle through the two diagonals and back to blank. Use the corner clues to get started, then look ahead for any line that would close a loop.
Start here
Quick tips
A 0 rules out every diagonal that would touch that corner.
An interior corner marked 4 forces all four surrounding diagonals to meet there.
- Arrow keys / slash / backslash
- Move cursor and choose a diagonal
- N / U / R
- New puzzle / undo / redo
- Pointer or touch tap
- Cycle the two diagonals and blank
- Right click or Alternate tap + touch
- Cycle in reverse
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Archive notes
Rights and Source Notes
Browser play is available for this entry. Official project references are listed below.
- Distribution
- MIT
- Browser player
- WebAssembly · Browser play
- Added to archive
- 2026-11-15
- Official references
- Source code
- Download open-source code packageSource code only; this is not a game ROM download.
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