Games like Touhou Sousenkyou: Land of Oracular Zeitgeist

If you finished Touhou Sousenkyou: Land of Oracular Zeitgeist, the closest matches are Valfaris: Mecha Therion, Hyper Sentinel, Azure Reflections, The Legend of Dark Witch Episode 3: Wisdom and Lunacy and Touhou Yumejikuu: Phantasmagoria of Dim. Dream. All 10 share its adventure genre and are ranked by how closely their themes and modes overlap.