Games like Northgard: Nidhogg, Clan of the Dragon

If you finished Northgard: Nidhogg, Clan of the Dragon, the closest matches are Supermarket Simulator, Ashes of the Singularity, Cosmoteer: Starship Architect & Commander, Space Rogue and Bronze Age. All 8 share its indie genre and are ranked by how closely their themes and modes overlap.