Play a Trigon, free
In your browser. No app, no sign-up, nothing to install. Works on a phone.
Today's puzzle
One 333 puzzle a day, the same one for everybody, refreshed at midnight. Coffee-break sized. Solve it and you can share how you did.
Coming very soon
The 333 series
The smallest Trigons. Ten to fifteen minutes, and the best place to learn how the logic works.
Coming very soon
The 444 series
A step up. Bigger grids, longer routes, and the point at which people start losing track of time.
Coming very soon
While you wait
The online version is being rebuilt so it runs properly in a browser rather than needing an app. It won't be long.
In the meantime the puzzles work beautifully the way they were designed to — on paper, with a pencil. Take a free book and see.
Tell me when it's ready
Leave your email and I'll let you know the day it goes live. You'll get the free sample book straight away in the meantime.