Regex Crossword 0.2.2
Offline regex-crossword puzzles in hexagon and rectangle grids.
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1.13 MB · regexcrossword-0.2.2.apk
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About Regex Crossword
Regex Crossword is an offline puzzle game. Every line of the grid is a regular
expression; fill the cells so that each line, read in its own direction,
matches its clue exactly (a whole-string match).
Features:
* Three difficulties: Easy (rectangle 5x5), Medium and Hard (hexagon). Puzzles
are generated on your device from a seed, so the number of levels is
unlimited.
* The hexagonal board has three colour-coded reading directions (X, Y, Z); the
rectangle board uses rows and columns. Each clue shows its reading direction
and start cell.
* Tap a cell and use the on-screen keyboard. Pencil-mark notes, per-cell hints,
"givens" (letters a clue writes down literally), undo/redo, and a per-level
timer.
* Progress is saved automatically for every level.
Hard levels are pre-generated with a solver so that their answer is unique.
No accounts. No ads. No network access. No permissions.
Regex Crossword is free software under the MIT licence. The hexagonal "A
Regular Crossword" form was popularised by Dan Gulotta (based on an idea by
Palmer Mebane) in MIT Mystery Hunt 2013. This app is an independent
implementation and includes neither the original puzzle nor its text.
Source code: [link removed]
expression; fill the cells so that each line, read in its own direction,
matches its clue exactly (a whole-string match).
Features:
* Three difficulties: Easy (rectangle 5x5), Medium and Hard (hexagon). Puzzles
are generated on your device from a seed, so the number of levels is
unlimited.
* The hexagonal board has three colour-coded reading directions (X, Y, Z); the
rectangle board uses rows and columns. Each clue shows its reading direction
and start cell.
* Tap a cell and use the on-screen keyboard. Pencil-mark notes, per-cell hints,
"givens" (letters a clue writes down literally), undo/redo, and a per-level
timer.
* Progress is saved automatically for every level.
Hard levels are pre-generated with a solver so that their answer is unique.
No accounts. No ads. No network access. No permissions.
Regex Crossword is free software under the MIT licence. The hexagonal "A
Regular Crossword" form was popularised by Dan Gulotta (based on an idea by
Palmer Mebane) in MIT Mystery Hunt 2013. This app is an independent
implementation and includes neither the original puzzle nor its text.
Source code: [link removed]
| Release info | Update on Oct 18, 2026 |
|---|---|
| Release notes | Fixes the board problems reported in #1. Thanks to @Paul-Stern and @opk12 for the reports. Fixed • Board taps now land on the cell you tapped. The hit test did not account for the board being centred inside its area, so taps could select the wrong cell — or do nothing at all once the board was small. • The board no longer collapses at large system font / display sizes. The A–Z keyboard now uses a fixed key size, and the layout reserves a minimum board height, scrolling the controls only when there is genuinely no room left. APK: regexcrossword-0.2.2.apk (versionCode 5). sha256: 5f898cfb7aa30bfc0572e31cfdcbacbf2dc6ad2020bc184e0ad35ed47528350b Full changelog: https://github.com/CuSO4Deposit/regex-crossword/blob/v0.2.2/CHANGELOG.md |
| Listing data | F-Droid |
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