Oh hi

0h h1 is a little logic game
by Q42. If you like, you can also get the free 0h h1 app.

It was created by
Martin Kool.

The concept is also known
as Takuzu or Binairo.

(c) 2014
www.q42.com · 0hh1.com

Three adjacent tiles of the same color in a row or column isn't allowed.

Rows and columns have an equal number of each color.

No two rows and no two columns are the same.