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 crossover event brings exclusive themed content, exciting challenges, and unique rewards inspired by the iconic heroes of Gatchaman.
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