Crusader Kings 3 is a strategy game where you play as a monarch, expanding your kingdom across Europe and the Middle East. When you are looking for a more immediate challenge, that provides a greater reward, consider signing up for a multiplayer game of Crusader Kings 3. The work of developing battle plans, researching technologies, and deciding which buildings to build all takes time and effort and can quickly feel draining. Playing a grand strategy game can be a lot of work.