Kaiju No. 8: Game Expands to Steam with New Updates

The much-anticipated PC release of Kaiju No. 8: The Game on Steam marks a significant development for the popular franchise. Co-produced by industry giants Akatsuki Games, TOHO, and Production I.G, the transition to the Steam platform allows fans to continue their adventures seamlessly using the account linking feature, ensuring that progress made on mobile devices can be carried over.

The launch is accompanied by the release of Main Story Chapter 4: London Defense Operation. Fans find themselves immersed in a thrilling narrative where a dimensional gate in London sets the stage for an epic confrontation. Players accompany protagonists Kafka, Kikoru, and Sagan, as they join forces with CLOZER member Chester Lochburn to tackle an impending threat posed by an armored Kaiju. In a significant narrative twist, Kikoru wields a new weapon that embodies the will of her father, Isao Shinomiya, adding depth to the storyline.

Enhancements and Promotions

To celebrate the release of Chapter 4, players are rewarded with a generous login bonus offering up to 10 Pick Up Gacha Tickets. The promotion is aimed at enriching user engagement during the celebration period. Moreover, Gacha Fes introduces new ★5 characters: Chester Lochburn, known as The All-Rounder, and Kikoru Shinomiya, whose character arc centers around 'The Inherited Will'. These characters bring unique abilities and equipment, enhancing game play and strategic depth.

The game mechanics also feature a promotion rewarding players with a free 10-pull for every three 10-pulls conducted. However, it’s important to note that single pulls are excluded, and 10-pull counts are gacha-specific.

New Content and Character Dynamics

The introduction of new characters adds fresh dynamics to the gaming experience. Chester Lochburn's optimal weapon, the Assault Rifle AR-Anollococ, complements his role, while his character story, ‘Cheers to a Quiet Night’, expands his backstory. Similarly, Kikoru Shinomiya showcases her strength through her optimal weapon, the Fs-Magni gauntlet, with her character story ‘Ties of Resolve’ contributing to her lore.

The franchise’s longevity is testament to its vast popularity. Naoya Matsumoto's manga has captivated audiences since its serialization on Shonen Jump+ in 2020, with over 19 million copies in circulation. The anime’s second season, which began in July 2025, continues to build on this success, engaging audiences worldwide.

Available to download for free on platforms such as the App Store, Google Play, and now Steam, the game includes in-app purchases catering to a diverse, multilingual audience. Supporting languages include Japanese, English, Traditional and Simplified Chinese, Korean, and French, making it accessible to a worldwide fan base.

Update: 02 Oct 2025