Gravity Game Hub Launches Exclusive Gatchaman Collaboration Across Ragnarok Idle Adventure Plus

SINGAPORE, June 24, 2026 /PRNewswire/ -- Gravity Game Hub (GGH) is excited to announce the launch of its first-ever collaboration between the mobile idle RPG Ragnarok Idle Adventure PLUS and the legendary anime franchise Gatchaman. Running from June 24 to July 9, 2026, this limited-time...