Touhou Gouyoku Ibun: Sunken Fossil World

Developed by Twilight Frontier
Developed by Team Shanghai Alice
Release date: 24 Oct 2021
FightingHack and slash/Beat 'em upAdventureIndie
Touhou Gouyoku Ibun: Sunken Fossil World is the 17.5th installment of the Touhou Project, created by Team Shanghai Alice, with Twilight Frontier's collaboration. The game is described as a "horizontal side-scrolling danmaku water action game" on the official website.