Games like Sid Meier's Civilization V: Civ and Scenario Pack - Denmark (The Vikings)

If you finished Sid Meier's Civilization V: Civ and Scenario Pack - Denmark (The Vikings), the closest matches are Sid Meier's Civilization II, Distant Worlds 2, Attack of the Petscii Robots, Anacreon: Imperial Conquest in the Far Future and Into the Void. All 6 share its strategy genre and are ranked by how closely their themes and modes overlap.