Netmarble participated in the Tokyo Game Show held at Makuhari Messe in Chiba, Japan, where it showcased playable versions of The Seven Deadly Sins: Origin and Monster Guild: Star Dive, receiving an enthusiastic response from local attendees through various stage events.

Netmarble attended TGS 2025, which runs from September 25 to 28 at Makuhari Messe in Chiba, Japan. The company operated 52 demo stations, providing local users with the opportunity to play the games. Additionally, they installed massive statues modeled after the giant 'Diane' from The Seven Deadly Sins: Origin and the monster 'Yaongi' from Monster Guild: Star Dive, while a large inflatable mascot 'Hawk' was suspended from the ceiling.

First unveiled at G-STAR 2023, The Seven Deadly Sins: Origin features an original story and open-world content exploring the continent of Britannia. During a production presentation held at the Tokyo Game Show, Netmarble announced the global launch date and testing schedule. The Seven Deadly Sins: Origin is set to launch globally on January 28 next year.

Monster Guild: Star Dive drew attention at TGS 2025 by unveiling its PS5 version for the first time. Netmarble plans to keep the momentum going throughout the event with voice actor talk shows and special cosplay performances.

A Netmarble representative stated, "The intense interest shown by attendees on-site is a meaningful achievement that confirms the global competitiveness of our two new titles," adding, "Based on the results and feedback from this TGS, we aim to provide an even more polished experience for the upcoming launch and tests."