Dr. STONE Battle Craft Launches New 'Mathematical Power' Event Featuring SSR Ryusui and SAI

Poppin Games Japan has officially launched the ranking event "Seeking 1 Million Brains! I Want Mathematical Power!" in the mobile strategy game Dr. STONE Battle Craft. Running from May 1st to May 12th, 2026, the event offers players the chance to earn a limited-edition [SSR] Ryusui Nanami through cumulative score rewards and top-tier ranking placements. To boost progress, the genius mathematician [SSR] SAI has been introduced in the latest gacha banner, offering significant score bonuses when included in the player's lineup. With additional support through daily login bonuses and stamina recovery items, this update brings a fresh layer of tactical depth to the game, perfectly capturing the intellectual hype of the original series.