CTW Inc.

CTW Inc. is a Japanese video game company based in Tokyo. It is mainly known for its browser-based gaming platform, G123.^[1][2][3]  

History

CTW Inc. (originally CTW株式会社) was founded in August 2013, with Ryuichi Sasaki as president. CTW transitioned to developing HTML5-based browser games in the mid-2010s.^[4]

In October 2018, CTW launched its gaming platform, G123, which provides instant-play games primarily adapted from popular anime and manga franchises. By 2024, its users had increased to more than 500 million.^[5]

In 2021, CTW began expanding its international operations and released localized versions of its games in English and other languages.^[6]

In 2023, CTW reorganized under a Cayman Islands entity as CTW Cayman.^[7] Two years later, in 2025, CTW filed to list on the Nasdaq as CTW Cayman.^[1]

Platform

CTW operates G123 as its primary platform. G123 uses HTML5 technology, enabling browser-based gameplay without requiring downloads or installations.^[8] The platform provides free-to-play games across various genres, such as RPG, strategy, and simulation, monetized through optional in-game purchases.^[5] By mid-2025, G123 hosted over 25 active titles.^[1]

Selected games

• Vivid Army (2019)
• Queen’s Blade Limit Break (2022)
• Black Lagoon: Heaven’s Shot (2023)^[9]
• Doraemon: Comic Traveler (2025)
• High School D×D Operation Paradise Infinity (2025)^{[10] [11]}