Games like Sakura Alien 1: Uchuu kara no Raihousha

If you finished Sakura Alien 1: Uchuu kara no Raihousha, the closest matches are OctoFurry, Female Nation Takeover: josei Kokka Nottori Keikaku - Touzoku no Ore ga Ou ni naru, The Savage Hypnotist's Puppets, Sengoku Princess and My Lady Sayo: Zettai Kunshu! Sayo-sama. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.