ナンプレくん＋

ナンプレくん＋ is a comprehensive Sudoku Chrome extension featuring over 3000 puzzles categorized by difficulty. Updated significantly in May 2022, it introduces unique gameplay elements such as IQ judgment based on solving time, making it both challenging and rewarding.

Key features include temporary and fixed placement functions for flexible puzzle solving, optional handwriting-style input display, number highlighting, and parallel problem-solving with individual save data. It supports both vertical touch operation and horizontal gamepad-like controls. Additionally, it offers a puzzle creation tool and includes another puzzle variant called Samcross for variety and breaks from standard Sudoku, with additional puzzles available for it as well. This extension is an ideal choice for Sudoku enthusiasts seeking diverse puzzles and enhanced gameplay tools.