At the first sight Crusader Kings seems as small poor brother of Paradox series like Hearts of Iron, Europa Universalis or Victoria. But deep inside are hiding many features which are superior. The main fun comes from feudal system made from royal houses, vassals and claims. Another strong thing is church which you need on your side. Game is also great introduction to Paradox strategies. Its much more intuitive without deep micromanagment of economy, technologies or units. In contrast of its brothers it has also much bigger replayabality because its very dynamic and every game is different even without your influence. One crippled king should ruin empire which his precedessors had built over centuries:) Some may ask why not buy CK 2 instead or why play CK 1 when you have already 2 with all its DLCs. CK 2 is not better in all aspects but its not worse game either. I like CK 1 slightly more, partly because nostalgia, partly because graphics and partly because more simple and more polished game mechanics.
