If you liked this
Games like Echoes of the Flame
If you finished Echoes of the Flame, the closest matches are Last Dream, Imaginary Future, Sonia no Daibouken: Mittsu no Hihou no Kakusareta Nazo!, Sonia and the Hypnotic City and Legends of Aria. All 10 share its indie genre and are ranked by how closely their themes and modes overlap.
