Heyawake (from Japanese, "divided rooms") is played on a rectangular grid. The grid is divided into rectangular "rooms." Some rooms may contain a single number. These rooms must have the designated number of cells painted black. Other rooms may have zero or more cells painted black.
| Author: Jeff Heldt |
| Publisher: Independently published |
| Publication Date: Aug 26, 2018 |
| Number of Pages: 115 pages |
| Language: English |
| Binding: Paperback |
| ISBN-10: 1719900779 |
| ISBN-13: 9781719900775 |