About G123
Service Overview (Introduction)
Welcome to G123, a free browser gaming platform where you can instantly play a huge selection of official anime games — no sign-up or download required. G123 allows you to enjoy carefully selected, high-quality games for free, directly from your web browser on smartphones, PCs, or tablets. With a wide variety of games, including titles based on popular anime series, G123 offers a fun, easy-to-use, and secure gaming experience for players around the world.
Achievements & Scale – A Trusted Platform Chosen by 500 Million Users
G123 has surpassed 500 million users worldwide, making it one of the largest browser gaming platforms in the industry.(※) This massive user base is proof of the trust and support we’ve earned from players around the globe. With multilingual support and over a decade of successful operation, G123 continues to grow in both scale and quality. Millions of active users each month enjoy our games across North America, Europe, Asia, and beyond. G123 is truly a trusted platform chosen by players worldwide.
※”Users” is based on the total number of G123 IDs issued.
A Wide Selection of Officially Licensed Titles
G123 offers a large collection of officially licensed games based on popular anime and manga. These include original titles officially approved by creators and production companies. You can enjoy fully authorized games from well-known series such as So I’m a Spider, So What?(As featured on the official anime website), Mahou Sensei Negima!(Introduced on the author’s official X account), Legend of the Galactic Heroes, Arifureta: From Commonplace to World’s Strongest, and Queen’s Blade. Every game is officially licensed, so you can enjoy the real characters and stories with complete peace of mind.
Unique Features of G123
- No installation – play instantly: No need to download or install anything. Just click and start playing your favorite game in your browser within seconds.
- No account registration required: You don’t need to sign up or provide personal information. Just choose a game and start playing — it’s that easy.
- Free to play: All G123 games are free to play by default (with optional in-game purchases available). Our platform is supported through ads and microtransactions, so there are no hidden fees.
- Multi-device support: Whether you're using a smartphone, tablet, or PC, you can play anytime, anywhere as long as you have an internet browser.
- Rich variety of genres: From RPGs and strategy simulations to puzzles and idle games, G123 offers a wide variety of genres. We also feature a robust lineup of anime-based titles, so you’re sure to find something that suits your tastes.
- Cross-device data syncing: G123 supports data continuity across devices. You can start playing on your phone and continue later on your PC without losing progress. All your game data and purchases are safely stored.
Our Commitment to Safety & Security
G123 is committed to creating a safe and enjoyable environment for all players. We’ve implemented the following measures to ensure responsible, secure gameplay:
- Protection of minors: Users under the age of 18 are restricted from making purchases, and content is filtered based on age to ensure appropriate access.
- Anti-cheating enforcement: Any use of cheats, hacks, or unauthorized account sales is strictly prohibited. Violations are dealt with swiftly and firmly.
- Community rules and monitoring: We maintain a positive in-game environment by enforcing clear user guidelines and monitoring behavior 24/7 to prevent harassment or misconduct.
- Privacy protection: User data is securely encrypted and never shared with third parties without consent. Personal information and transaction details are handled with the utmost care.
- Reliable customer support: If you experience any issues or have concerns, our support team is here to help. We respond quickly to ensure your questions are resolved.
- Encouraging healthy gaming habits: We display in-game reminders after extended playtime and provide guidelines to encourage balanced and mindful gameplay.
- Legal compliance: Our service operates in full compliance with applicable laws and regulations, including those related to payment services and consumer protection.
Media Mentions & Company Information
G123 has been featured in various media outlets, showcasing our rapid growth and strong reputation in the gaming industry. The service is operated by CTW Inc., a Japanese internet platform company established in 2013. Headquartered in Tokyo, our team is dedicated to developing and operating high-quality games under officially licensed content. We remain committed to running a trustworthy and enjoyable service for users around the world.