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The basic idea...

"The basic idea behind open source is very simple. When programmers on the Internet can read, redistribute, and modify the source for a piece of software, it evolves. People improve it, people adapt it, people fix bugs. And this can happen at a speed that, if one is used to the slow pace of conventional software development, seems astonishing...
...The Open Source pages exist to make this case to the commercial world."    - Introduction to Open Source -

* Simon Tatham's Puzzles

market download Collection of 39 single-player open-source logic puzzle games, free, no ads, playable offline.

All generated on demand with adjustable size/difficulty, so you'll never run out of puzzles.

Various control options for small screens: on-screen arrow keys (can be enabled in Settings), pinch to zoom, and a new button to swap press/long-press.

NFC lets you beam a puzzle to your friend's phone, like this:

Media permissions let you swap saved games with the versions for other platforms at (via Save/Share actions)

Help beta test future versions at

Contains the following 39 games:
Black Box, Bridges, Cube, Dominosa, Fifteen, Filling, Flip, Flood, Galaxies, Guess, Inertia, Keen, Light Up, Loopy, Magnets, Map, Mines (Minesweeper), Net, Netslide, Palisade, Pattern, Pearl, Pegs (Solitaire), Range, Rectangles, Same Game, Signpost, Singles, Sixteen, Slant, Solo (Sudoku), Tents, Towers, Tracks, Twiddle, Undead, Unequal, Unruly, Untangle

Author: Chris Boyle
Version: 2016-12-25-0849-0b34887
Market link: name.boyle.chris.sgtpuzzles
Web site:

Source code:
Code license:
Market downloads: >250,000
Market rating: 4.4 / 5.0
Category: Top:/Games/Puzzle

Added: 2011-04-14
Updated: 2017-02-21
Hits: 1193

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