- Nikoli Co., Ltd.
- Japan (台東区蔵前)
The largest published crossword has 66,666 clues in total with 33,018 clues across and 33,648 clues down, created by Nikoli Co., Ltd. (Japan) in Taito, Tokyo, Japan, and published on 30 June 2016.
The crossword consists of 244,971 squares and measures 12.042 m² (129.61 ft²). The crossword was created by 20 crossword artists for celebrating 35th anniversary of Nikoli Co., Ltd..