From Cinelinx:

Hooded Horse brought a great variety of strategy games to E3 2021 and the most unique of the three is Alliance of the Sacred Suns by KatHawk Studios. Alliance of the Sacred Suns is a mix of 4X and grand strategy with RPG elements.

Source: N4G PC E3 First Impression: Rule the Celestial Empire in Alliance of the Sacred Suns | Cinelinx