0h n0 is a little logic game
                that complements 0h h1.
                
                It was created by
                Martin Kool.
                
                The concept is inspired by
                the Japanese Kuromasu.
                
                © 2015 by Q42
                q42.com · 0hn0.com
                
                    Blue dots can see others 
in their own row and column.
                
Their numbers tell how many.
Red dots block their view.
Our game 0h h1 is also available as a free app:
                    
                    And playable on the web: