Games like Lust Galaxy

If you finished Lust Galaxy, the closest matches are Isekai Harem Saver, My Naughty Summer Vacation: Days in Countryside and Memories of Summer, Déjà-Vu VR, Mage's Maze Play: Inma no Doukutsu ni Idomu Boukensha and Idol Project: NTR. All 10 share its adventure genre and are ranked by how closely their themes and modes overlap.