(Image credit: Unknown Worlds) Getting ambushed by a reaper leviathan in Subnautica has, by now, become a canonical PC gaming experience. It's distilled oceanic horror, confirming all the player's thalassophobic anxieties in a singular moment of aquatic violence—and in an interview with PC Gamer, Subnautica 2 game design lead Anthony Gallegos said it had only become bearable after years of working on the sequel. Until Subnautica 2's new deep sea monstrosity undid all that hard-won character growth, anyway. (Image credit: Unknown Worlds) According to Gallegos, he was "terrified" of the Subnautica games when he first joined the studio to work on the sequel, having been left in a sweaty submarine panic by its earlier entries. Article continues below "I played through them right before I joined the studio, and I had a really difficult time with it," he said.…