Age of Castles (Series) vs Train Valley (Series)

Age of Castles is a series of strategy video games developed by Firefly Studios. The games allow players to build medieval castles, manage resources, train armies, and battle enemies in a medieval setting.

Train Valley is a series of puzzle-strategy video games developed by Flazm in which players build railroad tracks, schedule and operate trains with the aim to meet operational requirements and transport cargo and passengers without collisions.