Discover A Lost City With Yggdrasil's New Atlantean Gigarise Online Slot Published May 10, 2021 by Arthur M Venture to a fabled sunken city with the new Atlantean Gigarise slot from Yggdrasil. The reels can expand to create up to 32,768 ways to win. The Atlantean Gigarise online slot is new from Yggdrasil. It plays out within the white columns of an ancient lost city beneath the sea, and comes with Greek-themed symbols on the 5 reels. A special Gigarise mechanism can extend the game from 3 to 8 rows to create up to 32,768 winning ways. Adventure Under The Waves Greek-style high card symbols share the reels with themed images such as swords, harps, and helmets. A golden wild symbol can substitute for others if needed, and the trident expands the reels. Any time the trident appears, the reel grows by 1 row, to a maximum of 8 rows in total.