GTMF 2026 (Game Tools & Middleware Forum)

Overview

An exhibition-and-seminar event specializing in tools and middleware for game development, run by IID across two venues, Osaka (Dec 2) and Tokyo (Dec 8). Vendors of engines, sound, QA, and AI solutions gather so that engineers and creators can compare the latest development environments for free. Its 2026 edition is the 21st, making it one of Japan's leading developer-focused events.

Program

• Held for one day each in Osaka (Dec 2) and Tokyo (Dec 8)
• Exhibitor booths for game tools and middleware plus seminar sessions
• A paid After Party networking event at both venues
• Session lineup and timetable not yet published

Sponsors

Pearl Sponsors

• シリコンスタジオ株式会社
• k-id

Gold Sponsors

• ソニー株式会社
• Game Server Services株式会社
• 株式会社日立ソリューションズ・テクノロジー
• Speech Graphics
• Meshy
• インクレディビルドジャパン株式会社
• Audiokinetic株式会社
• Khronos Group
• ソフトバンク

Silver Sponsors

• 株式会社Geolocation Technology
• SPARK
• 株式会社東芝
• 株式会社東陽テクニカ

Source: official sponsor list (as of October 9, 2026)