2023.12.11News Release

Multi-chain Support for 'Captain Tsubasa -RIVALS-' Web3 Game, Using Oasys Blockchain

BLOCKSMITH&Co., a subsidiary that controls the Web3 related business of KLab Inc. and Mint Town, Co., Ltd. have decided to adopt the game-specific blockchain 'Oasys' for their new sensation blockchain game "Captain Tsubasa -RIVALS-", leveraging the IP of Japan's iconic soccer manga "Captain Tsubasa".


With the multi-chain transformation of "Captain Tsubasa -RIVALS-", the well-known game-specific blockchain 'Oasys' will be newly adopted. The use of 'Oasys' aims to provide a comfortable gaming experience. The implementation of 'Oasys' is scheduled for the first half of 2024.


Daiki Moriyama, Director of Oasys, sayd: We are very pleased that "Captain Tsubasa -RIVALS-", a notable title by MintTown who has been participating as a validator for Oasys, has adopted the Oasys chain. We will leverage Oasys's strength in marketing to Japanese users to deliver this title to a wider audience.


About Oasys

Oasys is a game-optimised blockchain that offers a highly scalable Layer 1 hub and specialised Layer 2 using Ethereum’s Layer 2 scaling solution. The ecosystem provides game developers with a secure and scalable blockchain infrastructure for creating more efficient, secure, and interoperable games. Among Oasys’ validators are leaders in gaming and Web3, such as SEGA, Ubisoft, and Yield Guild Games, who act as initial validators in our Proof-of-Stake (PoS) based blockchain. Oasys’ expert blockchain team, combined with the biggest names in gaming, is revolutionising the gaming industry.


Oasys solves the challenges that game developers face when building blockchain-based games by focusing on creating an ecosystem for gamers and developers to distribute and develop games. The company’s trifecta approach includes a fast network powered by the gaming community, a scalable network powered by AAA game developers, and a blockchain that provides the best user experience with fast transactions and zero gas fees. This approach prepares participants to enter the Oasys and play.


More information on Oasys is available at:


About “Captain Tsubasa -RIVALS-”

“Captain Tsubasa -RIVALS-” is a groundbreaking blockchain game where players cultivate NFT-based characters from the original “Captain Tsubasa” series and compete against others. The game features a fully recreated “Rival Mode” based on the original, an online “PvP Mode”, and a newly implemented “Arena Mode” allowing for intense 11-player PvP. Each NFT player is accompanied by a signature move in a 3D video and a generative BGM created by Shinichi Osawa (MONDO GROSSO). Players can nurture their unique NFT, form a team, and compete against rivals. Pro soccer players Yuto Nagatomo and Andrés Iniesta have been appointed as the official ambassadors, drawing significant attention. A year after its announcement, “Captain Tsubasa -RIVALS-” aims to provide an entertaining and accessible Web3 game experience for many years to come.



Company Name: BLOCKSMITH&Co.
President and CEO: Tetsuya Sanada
Establishment: April 1, 2022
Capital: 14,999,950 JPY
Head office: Roppongi Hills Mori Tower, 6-10-1 Roppongi, Minato-ku, Tokyo, 106-6122
Business: Development and distribution of products such as blockchain technology and crypto assets utilising NFTs



About KLab Inc.

Company Name: KLab Inc.
CEO: Hidekatsu Morita
Founded: August 1, 2000
Capital: 5.457 billion JPY (as of December 2022)
Public Listing: Tokyo Stock Exchange, PRIME (3656)
Location: 6-10-1 Roppongi, Minato, Tokyo, Roppongi Hills Mori Tower
Business: Planning, development, and operation of mobile online games.


About Mint Town

Company Name: Mint Town, Co., Ltd.
CEO: Kunimitsu Hironao
Founded: April 30, 2013
Location: 2-2-1 Kanda Kajicho, Chiyoda, Tokyo, KANDA SQUARE 11F WeWork
Business: Planning, development, sales, and operation of Web3 games & gaming platforms.