Where Block Blast! and Candy Crush Saga lean on bright effects and a steady stream of new levels, Simon Tatham's Puzzles is a plain set of 40 single-player logic games. Each puzzle is generated on demand with adjustable size and difficulty, so the supply never runs out. It works offline, shows no ads and costs nothing.
Chris Boyle's Android port of an open-source collection
The puzzles originate with Simon Tatham, and the Android version is maintained by developer Chris Boyle. The code is open source under the MIT licence, and the source is on GitHub at chrisboyle/sgtpuzzles. The listing first appeared on January 8, 2014, and the build we host dates from September 20, 2025.
The developer's project page is at chris.boyle.name/projects/android-puzzles. The listing also invites people to join beta tests through a button on the store page.
Puzzles generated on demand, with adjustable size
Every one of the 40 games creates its puzzles when you ask, so the supply does not run out. Size and difficulty can both be adjusted. The full list of games is shown in the 8 screenshots on the listing.
Small screens get specific help. You can turn on arrow keys in Settings, pinch to zoom, and use a button that swaps press and long-press.
Android 5.0 and a 10.1 MB download
The app needs Android 5.0 or newer and takes 10.1 MB. The version string is 2025-09-12-1919-23762278-fdroid. The package ID is name.boyle.chris.sgtpuzzles, and the content rating is Everyone. For small screens there are on-screen arrow keys in Settings, pinch to zoom, and a button that swaps press and long-press.
Simon Tatham's Puzzles pros and cons
Pros
- 40 different logic puzzles in one app
- Works offline
- No ads and no in-app purchases
- Open source under the MIT licence
- Size and difficulty can be adjusted, with small-screen controls
Cons
- Needs Android 5.0 or newer
- Release notes are not published for the latest version
- No graphics or progression features are listed, only the puzzles themselves
Is Simon Tatham's Puzzles safe?
The APK we store is unmodified, and its SHA-256 checksum is 6b36d5537984523c57984a784156eb853a92c940fded286483687484f3d652e4. Compare it with your download before installing. The puzzle code is MIT-licensed and public on GitHub, so anyone can read how the 40 games are generated. There are no ads and no in-app purchases.
How to install Simon Tatham's Puzzles
- Download the APK with the button on this page and wait for it to finish.
- Compare the file with the SHA-256 checksum shown here if you want to confirm it arrived intact.
- Open the file on your phone and allow installs from this source when Android asks.
- Finish the install, then open Simon Tatham's Puzzles from your app drawer.
