We have released a new puzzle type: Morphism


Added by Johan on February 2, 2017.

Twice as much fun with our second new genre this week: Slant!
Added by Thierry on January 20, 2015.

Winter is coming with our next genre: Slalom!
Added by Thierry on January 19, 2015.

Today's genre should not be hard to grasp: Straightforward!
Added by Thierry on October 18, 2014.

Now available: Solve puzzles on any device!

Today, we deliver on our promise to make our puzzles available on any device. Previously, a Java plugin was required to solve puzzles. Our new HTML5 puzzle (in beta) is designed to run on all devices with a modern browser. This includes a wide range of mobile devices, including tablets and smartphones. Visit the forum for more information.

Added by Thierry on September 21, 2014.

Unravel the mysteries of Naoki's Island!
Added by Thierry on September 18, 2014.

Time to put the spotlight on our most recent additions: Turnstiles and Heyawake!
Added by Thierry on July 30, 2014.

Go ahead and spiral down into our new genre: Winding!
Added by Thierry on May 18, 2014.

Splash around in this month's genre: Ripple!
Added by Thierry on April 18, 2014.

Happy April Fool's! If you missed our April Fool's puzzles, go check them out here and here. To avoid future confusion, we will change those puzzles back next week.
Added by Thierry on April 2, 2014.

Today, we want to point you in a new direction:Yajilin!
Added by Thierry on March 19, 2014.

Thanks to our new judges apollo1001, edderiofer and fl0rrat, we present an explosive genre: Danger Zone!
Added by Thierry on February 18, 2014.