LogicPuzzle.App Begins Introducing Crossword Tool "Crossword Kit" to Nikoli Co., Ltd.'s "Pazcomu"

Langue de chat LLC (Location: Shibuya-ku, Tokyo; Representative: Hiroaki Hosono) announced that its puzzle label "LogicPuzzle.App" has developed the crossword tool "Crossword Kit" and has begun introducing it to "Pazcomu," a membership-based puzzle service operated by Nikoli Co., Ltd. (Location: Chuo-ku, Tokyo; Representative Director and President: Yoshinao Yasufuku). The crossword functionality will be available starting April 1, 2026.

Overview

"Crossword Kit" is a crossword tool developed and provided by "LogicPuzzle.App," the puzzle label of Langue de chat LLC. It has been adopted by Nikoli Co., Ltd.'s membership-based puzzle service "Pazcomu" as its first implementation partner, offering a tool for anyone to create, publish, and enjoy solving crossword puzzles.

On Pazcomu, it will be provided under the name "Crossword Tool," allowing users to easily create and play crossword puzzles on both PCs and smartphones.

Features

・Compatible with both PC and smartphones: Supports crossword creation and solving with intuitive operations, regardless of the device.

・Easy experience: Designed with an emphasis on a tactile feel that allows anyone to start creating and playing crosswords immediately, even without specialized knowledge.

・Integration with Pazcomu: Allows users to publish created crosswords on Pazcomu for other users to play.

Development Background

Langue de chat LLC has accumulated expertise in the fields of puzzles and technology through the planning and development of mystery-solving events and puzzle-related services. Since 2023, the company has been involved in the development and maintenance of Pazcomu. Based on this technical foundation, its puzzle label "LogicPuzzle.App" developed "Crossword Kit," a tool that comprehensively handles everything from crossword creation to solving.

For its introduction to Pazcomu, specifications were considered with the cooperation of Nikoli Co., Ltd., a specialized puzzle publisher with over 40 years of history.

Future Developments

Langue de chat LLC plans to expand "Crossword Kit" to support word puzzles other than crosswords. The company also aims to promote the widespread adoption of puzzle tools, including considering providing technology to other platforms besides Pazcomu.

About "LogicPuzzle.App"

A puzzle label operated by Langue de chat LLC. It operates "Puzzle Square JP," one of Japan's largest pencil puzzle submission and sharing platforms, and is involved in organizing puzzle competitions and multilingual expansion. It plans, develops, and provides "Crossword Kit" as its self-developed puzzle tool.

URL：https://logicpuzzle.app

About "Pazcomu"

A membership-based puzzle service operated by Nikoli Co., Ltd.

URL：https://puzzle.nikoli.com/

Langue de chat LLC Company Profile

Company Name: Langue de chat LLC.

Established: April 2021

Representative Partner: Hiroaki Hosono

Location: YAZAWA Building 3F, Shibuya 3-1-9, Shibuya-ku, Tokyo

URL：https://langue-de-chat.llc

Nikoli Co., Ltd. Company Profile

Company Name: Nikoli Co., Ltd.

Established: January 1983

Representative Director: Yoshinao Yasufuku

Location: Nihonbashi Hamacho Building 3F, Nihonbashi Hamacho 3-36-5, Chuo-ku, Tokyo

【Contact for inquiries regarding this matter】

Langue de chat LLC

E-mail：support@langue-de-chat.llc