#6
Stronghold Crusader is what happens when an RTS commits fully to castle economics and siege warfare. You build a granary, manage food, keep your population from starving, and then watch it all burn when the enemy sends a wave of assassins through your poorly defended gatehouse. The loop is distinct from Age of Empires in a way that matters: the castle-building side genuinely changes how you approach the combat. Hardware demands are negligible by any standard. I grew up playing this series and coming back to the HD version felt immediately familiar. If classic RTS is your genre, this belongs in your library.