Wayne Gould, a native New Zealander who lives in Japan, created Sudoku software and has been distributing the puzzle to newspapers through his Pappocom trademark.

I've become fairly adept at solving them - and, more importantly, figured out what it takes to make good sudoku software.

A software developer asked ChatGPT to design a game for Sudoku fans. The AI chatbot created "Sumplete" from scratch, and now thousands are playing.

Steve Powell, Sales Director at GSP says "As the No.1 publisher of Sudoku software, we are pleased to be the first publisher to launch a Kakuro CD-ROM.