Games like Sluggish Morss: A Delicate Time in History

If you finished Sluggish Morss: A Delicate Time in History, the closest matches are Serious Sam: The First Encounter, CAT Interstellar, Ampersand, Sluggish Morss: Days of the Purple Sun and Sluggish Morss. All 6 share its indie genre and are ranked by how closely their themes and modes overlap.