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LogicPuzzle.App Starts Introduction of Crossword Tool "Crossword Kit" to Nikoli Inc.'s "Pazcomyu"

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Apr 3, 2026 1:00 AM ・ Updated Jun 16, 2026 9:41 PM ・ 6 min read ・ Source: PR TIMES

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⚡ Key Points

Langue de chat LLC.
has integrated its crossword tool, "Crossword Kit," developed by its puzzle label "LogicPuzzle.App," into Nikoli Co., Ltd.'s membership-based puzzle service, "Pazcomyu," starting April 1, 2026.
This collaboration allows users on Pazcomyu to easily create and play crosswords across devices, with plans for future expansion to other word puzzle types and wider technical provision.

Langue de chat LLC. has integrated its crossword tool, "Crossword Kit," developed by its puzzle label "LogicPuzzle.App," into Nikoli Co., Ltd.'s membership-based puzzle service, "Pazcomyu," starting April 1, 2026. This collaboration allows users on Pazcomyu to easily create and play crosswords across devices, with plans for future expansion to other word puzzle types and wider technical provision.

PRIMARY SOURCE PR TIMES View source Distributor: PR TIMES
Published: Apr 3, 2026

Langue de chat LLC. (Location: Shibuya-ku, Tokyo, Representative: Hiroaki Hosono) has introduced "Crossword Kit," a crossword tool developed by its puzzle label "LogicPuzzle.App," to "Pazcomyu," a membership-based puzzle service operated by Nikoli Co., Ltd. (Location: Chuo-ku, Tokyo, President and CEO: Yoshinao Anfuku), and began offering crossword features on April 1, 2026.

Overview "Crossword Kit" is a crossword tool developed and provided by Langue de chat LLC.'s puzzle label "LogicPuzzle.App." It has been adopted by "Pazcomyu," a membership-based puzzle service operated by Nikoli Co., Ltd., as the first implementation partner, enabling users to create and solve crossword puzzles and enjoy them. Pazcomyu offers this service under the name "Crossword Tool," allowing users to easily create and play crossword puzzles on both PCs and smartphones.

Features - PC and Smartphone Compatibility: Intuitive operation for creating and solving crosswords, regardless of device. - Easy Experience: Designed with a user-friendliness focus, allowing users to start creating and playing crosswords immediately without needing specialized knowledge. - Pazcomyu Integration: Created crosswords can be published on Pazcomyu for other users to play.

Development Background Langue de chat LLC. has accumulated expertise in the field of puzzles and technology through the planning and development of mystery-solving events and puzzle-related services. Since 2023, they have been involved in the development and maintenance of Pazcomyu, and leveraging this technical foundation, they developed "Crossword Kit," a tool that handles everything from crossword creation to solving, under their puzzle label "LogicPuzzle.App." For the introduction to Pazcomyu, they collaborated with Nikoli Co., Ltd., a puzzle specialty publisher with over 40 years of history, to refine the specifications.

Future Expansion Langue de chat LLC. plans to expand "Crossword Kit" to support word puzzles other than crosswords. They also aim to promote the dissemination of puzzle tools by considering technical provision to services other than Pazcomyu.

About "LogicPuzzle.App" A puzzle label operated by Langue de chat LLC. They manage "Puzzle Square JP," one of Japan's largest pencil puzzle submission and sharing platforms, and are involved in organizing puzzle tournaments and multilingual expansion. They also plan, develop, and provide the "Crossword Kit" as their self-developed puzzle tool.

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

Langue de chat LLC. Company Overview Company Name: Langue de chat LLC. Established: April 2021 Representative Member: Hiroaki Hosono Location: 3F YAZAWA Building, 3-1-9 Shibuya, Shibuya-ku, Tokyo

Nikoli Co., Ltd. Company Overview Company Name: Nikoli Co., Ltd. Established: January 1983 Representative Director: Yoshinao Anfuku Location: 3F Nihonbashi Hamacho Building, 3-36-5 Nihonbashi Hamacho, Chuo-ku, Tokyo

[Contact Information for this matter] Langue de chat LLC. E-mail: support@langue-de-chat.llc

FACT BOX

Source: PR TIMES
Category: News

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Apr 3, 2026 1:00 AM — Distributor PR TIMES
Collected　Apr 2, 2026 7:35 PM
AI structured & analyzed　Apr 17, 2026 10:51 AM
Desk-reviewed & published　Apr 3, 2026 1:00 AM

FAQ

Which company developed the crossword tool called Crossword Kit and when did it launch on Pazcomyu?

Langue de chat LLC.'s puzzle label LogicPuzzle.App developed Crossword Kit, which launched on Pazcomyu on April 1, 2026.

What is the name of the membership-based puzzle service operated by Nikoli Co., Ltd. that adopted Crossword Kit?

The membership-based puzzle service operated by Nikoli Co., Ltd. that adopted Crossword Kit is called Pazcomyu.

Who is the representative of Langue de chat LLC. and where is the company located?

The representative of Langue de chat LLC. is Hiroaki Hosono, and the company is located in Shibuya-ku, Tokyo.

What are the key features of Crossword Kit as offered on Pazcomyu for creating and solving puzzles?

Crossword Kit offers PC and smartphone compatibility, intuitive operation, user-friendly design, and integration with Pazcomyu for publishing and sharing puzzles.

What role has Langue de chat LLC. played in Pazcomyu since 2023 and how did it influence Crossword Kit's development?

Since 2023, Langue de chat LLC. has developed and maintained Pazcomyu, leveraging this experience to create Crossword Kit under its LogicPuzzle.App label.

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Washin AI News Desk“LogicPuzzle.App Starts Introduction of Crossword Tool "Crossword Kit" to Nikoli Inc.'s "Pazcomyu"”AI News by Washin Village（和心村）, Apr 3, 2026. https://aeo.washinmura.jp/ai/langue-de-chat-llc/en/news/2026-04-17-logicpuzzle-app-starts-introduction-of-c

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