Is Simon Tatham's Portable Puzzle Collection free?

Yes. Simon Tatham's Portable Puzzle Collection is free and does not ask you to register or hand over an email address before you can use it.

How long does Simon Tatham's Portable Puzzle Collection take?

Five to fifteen minutes of proper attention. We file it under "Coffee break" — forty small logic puzzles, endlessly generated, no fuss.

Does Simon Tatham's Portable Puzzle Collection work on a phone?

Simon Tatham's Portable Puzzle Collection really wants a mouse and a wide window. It will load on a phone, but the experience is built for desktop.

Mind Benders

Simon Tatham's Portable Puzzle Collection

Forty small logic puzzles, endlessly generated, no fuss

Visit chiark.greenend.org.uk More Mind Benders

chiark.greenend.org.uk

Coffee break · Best on desktop

Free, no sign-up · online since 2004

What Simon Tatham's Portable Puzzle Collection actually is

Around forty single-player logic puzzles run directly in the browser, from Slitherlink and Light Up to Galaxies and Solo. Each one generates fresh grids at whatever size and difficulty you pick, and every generated puzzle has exactly one solution reachable by deduction alone.

Why it is worth your time

The guarantee that no puzzle ever needs a guess means a stuck board is always your own fault, which is oddly motivating at one in the morning.

Common questions

Is Simon Tatham's Portable Puzzle Collection free?: Yes. Simon Tatham's Portable Puzzle Collection is free and does not ask you to register or hand over an email address before you can use it.
How long does Simon Tatham's Portable Puzzle Collection take?: Five to fifteen minutes of proper attention. We file it under "Coffee break" — forty small logic puzzles, endlessly generated, no fuss.
Does Simon Tatham's Portable Puzzle Collection work on a phone?: Simon Tatham's Portable Puzzle Collection really wants a mouse and a wide window. It will load on a phone, but the experience is built for desktop.
What kind of site is Simon Tatham's Portable Puzzle Collection?: We list it under Mind Benders — one more round, then bed. definitely. The guarantee that no puzzle ever needs a guess means a stuck board is always your own fault, which is oddly motivating at one in the morning.

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Mind Benders

Simon Tatham's Portable Puzzle Collection

Forty small logic puzzles, endlessly generated, no fuss

Visit chiark.greenend.org.uk More Mind Benders

chiark.greenend.org.uk

Coffee break · Best on desktop

Free, no sign-up · online since 2004

What Simon Tatham's Portable Puzzle Collection actually is

Why it is worth your time

The guarantee that no puzzle ever needs a guess means a stuck board is always your own fault, which is oddly motivating at one in the morning.

Common questions

Is Simon Tatham's Portable Puzzle Collection free?: Yes. Simon Tatham's Portable Puzzle Collection is free and does not ask you to register or hand over an email address before you can use it.
How long does Simon Tatham's Portable Puzzle Collection take?: Five to fifteen minutes of proper attention. We file it under "Coffee break" — forty small logic puzzles, endlessly generated, no fuss.
Does Simon Tatham's Portable Puzzle Collection work on a phone?: Simon Tatham's Portable Puzzle Collection really wants a mouse and a wide window. It will load on a phone, but the experience is built for desktop.
What kind of site is Simon Tatham's Portable Puzzle Collection?: We list it under Mind Benders — one more round, then bed. definitely. The guarantee that no puzzle ever needs a guess means a stuck board is always your own fault, which is oddly motivating at one in the morning.