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Draft:G123

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  • Comment: Hi, thanks for reviewing this draft.
    Per your earlier feedback, I have added additional independent sources to strengthen non-promotional coverage, including industry analysis from DataHorizzon Research, Think with Google, and InvestGame (HTML5 market and CTW's position within it). These sources provide broader context and reduce reliance on primary/press-release material.
    If you have time, I would appreciate a follow-up review. Thank you again.


G123
Type of site
Browser game platform
Available inJapanese, English, Korean, Traditional Chinese
OwnerCTW Inc.
URLhttps://g123.jp/
CommercialYes
Launched2017
Current statusActive


G123 is a browser-based gaming platform operated by CTW Inc., a Tokyo-based video game company.[1] The platform hosts more than 30 officially licensed games based on Japanese anime properties and allows users to access and play them directly in a web browser without registration or installation.[2]

According to industry analysis, G123 has been identified as the leading HTML5 gaming platforms worldwide and the top-ranked service in the anime IP–based browser gaming segment.[3]

The service was initially introduced in 2017 as a portal providing reviews and information on HTML5 games,[4] and in 2018 it was relaunched to distribute in-house and licensed browser games.[5] According to CTW, the platform expanded significantly and by 2024 had surpassed 500 million cumulative registered users.[6]

Overview

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G123 provides free-to-play HTML5-based browser games with optional in-game purchases. All titles can be played directly in desktop and mobile web browsers without installation. The platform is available in Japanese, English, Korean and Traditional Chinese, targeting both domestic and overseas audiences.[7]

The platform distributes browser games developed by CTW Inc. and its partners through its HTML5-based service G123.jp.[8][9]

The catalog primarily consists of games licensed from Japanese anime and manga properties, and has been supported by cloud infrastructure such as Alibaba Cloud to handle large-scale traffic.[6]

G123 is one of several browser game platforms, alongside services such as CrazyGames and the now-defunct Yahoo! Games.

The growth of the HTML5 browser gaming sector has also influenced the platform’s development strategy, with G123 positioned as part of a broader shift toward instant-play, cross-platform game distribution models.[3] [10]

Industry context

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According to DataHorizzon Research, the global browser gaming market has continued to expand, driven by the adoption of HTML5 and instant-play technologies, with annual growth expected to exceed 8% between 2024 and 2032. [10]

Think with Google has similarly reported that HTML5 gaming trends have accelerated due to improved mobile browsers and 5G adoption, creating opportunities for cross-platform play without app downloads.[11]

Within this growing HTML5 ecosystem, anime-based games have more than doubled their global share, rising from 10.3% in 2019 to 25.5% in 2023. According to InvestGame, CTW Cayman—operator of G123—ranks third worldwide among HTML5 game developers by gross billings, and first among anime IP-based HTML5 platforms.[3]

Controversies

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The platform’s advertising has received occasional criticism for the use of provocative imagery,[12] including a 2025 ruling by the United Kingdom’s Advertising Standards Authority (ASA) against several anime-style ads.[13]

History

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  • 2017: G123 launched as a browser game guide portal.[4]
  • 2018: Relaunched focusing on distribution of HTML5-based browser games developed by CTW. [5]
  • 2019: According to CTW, the platform had surpassed 10 million registered users.[14]
  • 2020: CTW stated that the platform had surpassed 50 million registered users.[6]
  • 2021: In a press release, 'Seirei Gensouki: Spirit Chronicles Another Tale' became the first title on the G123 platform to be released globally, with English, Korean, and Traditional Chinese versions marking the platform’s initial multilingual expansion. [7]
  • 2024: In its press release, CTW announced that the platform had surpassed 500 million cumulative users.[15] [16]
  • 2025: CTW announced the upcoming release of browser games based on internationally recognized Japanese anime series, including Doraemon and The Apothecary Diaries, with pre-registration for the latter launched on the G123 platform.[17]

Games

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G123 distributes browser games based on licensed Japanese anime and manga properties. Notable franchises independently covered by gaming media include:

  • Doraemon Comic Traveler[18]
  • The Apothecary Diaries: Palace Chronicles[19]
  • Space Battleship Yamato[20]
  • Negima! Mahora Panic[21]

Other franchises available on the platform include Crayon Shin-chan, Reincarnated as a Sword, and High School DxD.

Features

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  • Games can be played interchangeably on desktop and mobile browsers without the need for download or installation.[22]
  • The platform is available in multiple languages.[23] [24]
  • Most titles are free-to-play with optional in-game purchases.[25]
  • The catalog emphasizes licensed content from Japanese anime and manga.[26]

See also

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References

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  1. ^ renaissancecapital.com (2025-05-15). "Japan-based gaming platform CTW Cayman files for a $21 million US IPO". Renaissance Capital. Retrieved 2025-10-08.
  2. ^ Peterson, Johnny (2025-04-21). "Play Officially Licensed Anime Games On G123 With No Registration Or Download Needed". Gamezebo. Retrieved 2025-10-08.
  3. ^ a b c "CTW Cayman Raises $12M in IPO, Eyes Global Expansion". InvestGame. Retrieved 2025-10-10.
  4. ^ a b "スマホ次世代ソーシャルゲーム(HTML5ゲーム)に特化した 情報メディア「g123.jp」を正式リリース" [CTW launches new media platform "G123.jp" focusing HTML5 browser games.]. www.atpress.ne.jp (in Japanese). Retrieved 2025-10-06.
  5. ^ a b Famitsu App, "G123.jp relaunched as a new platform," October 4, 2018
  6. ^ a b c Ledge.ai, "CTW adopts Alibaba Cloud to support more than 500 million users," March 24, 2025
  7. ^ a b "CTW Releases "Seirei Gensouki: Spirit Chronicles Another Tale" in English on December 22, 2021 on HTML5 Game Platform G123". financialpost. Archived from the original on 2022-01-02. Retrieved 2025-10-08.
  8. ^ Renaissance Capital, "Japan-based gaming platform CTW Cayman files for a $21 million US IPO," July 2025
  9. ^ Peterson, Johnny (2025-04-21). "Play Officially Licensed Anime Games On G123 With No Registration Or Download Needed". Gamezebo. Retrieved 2025-10-08.
  10. ^ a b "Browser Game Market Size, Growth, Share, & Analysis Report - 2033". datahorizzonresearch.com (industry analysis). Retrieved 2025-10-24.
  11. ^ "HTML5 gaming trends & insights - Think with Google APAC". Think with Google (industry analysis). Alphabet Inc. Retrieved 2025-10-24.
  12. ^ ITmedia Nlab, "Game ads criticized for misleading representations," January 2020
  13. ^ Lewis Silkin, "ASA says ‘game over’ to sexualised anime ads targeting UK viewers," August 2025
  14. ^ "ゲームサービス「G123」の会員数が1000万突破！特別プレゼントキャンペーンを開催！" [G123 surpasses 10 million users, launches special gift campaign]. プレスリリース・ニュースリリース配信シェアNo.1｜PR TIMES (in Japanese). 2019-05-20. Retrieved 2025-10-06.
  15. ^ "G123 Game Platform Currently Has Over 500 Million Users". Anime News Network. 2025-10-06. Retrieved 2025-10-06.
  16. ^ "G123 game platform currently has over 500 million users! Information on future updates". G123. Retrieved 2025-10-08.
  17. ^ Nasdaq, "CTW launches pre-registration for simulation game adaptation of hit anime The Apothecary Diaries," August 2025
  18. ^ Kiwami, Soul (2025-04-21). "Doraemon Comic Traveler Browser RPG Announced". Final Weapon. Retrieved 2025-10-06.
  19. ^ Davis, Charlotte (2025-07-29). "New The Apothecary Diaries game starts pre-registration". Essential Japan. Retrieved 2025-10-06.
  20. ^ PocketGamer, "Space Battleship Yamato game launches on G123," June 20, 2023
  21. ^ PocketGamer, "Negima! Mahora Panic launches on G123," February 16, 2025
  22. ^ Derrick, Connor (2023-06-05). "Gate: Frontline Union, a new playable adaptation of the cult classic anime, opens pre-registration on HTML5 service G123". www.pocketgamer.com. Retrieved 2025-10-08.
  23. ^ Liu, Stephanie (2024-10-24). "So I'm a Spider, So What Game Debuts Worldwide". Siliconera. Retrieved 2025-10-08.
  24. ^ Cayman, C. T. W. (2025-08-28). "CTW Launches Pre-Registration for Simulation Game Adaptation of Hit Anime The Apothecary Diaries". GlobeNewswire News Room (Press release). Retrieved 2025-10-08.
  25. ^ Reed, Simon (2025-04-21). "We Try Out F2P Gaming Hub G123". Kongbakpao. Retrieved 2025-10-08.
  26. ^ Alexander, Maria (2025-04-21). "Play Licensed Anime Games Safely For Free With No Downloads on G123". Droid Gamers. Retrieved 2025-10-08.
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