: The HD patch allows for high-resolution graphics and a new "battlefield view" that lets you zoom out to see the entire map at once. Stronghold Crusader HD System Requirements
The "Extreme" designation introduces mechanics that drastically shift gameplay away from slow economic building toward constant, massive skirmishes: : The HD patch allows for high-resolution graphics
: Unlike the original's limit, the Extreme version supports up to 10,000 units on-screen simultaneously. : The HD patch allows for high-resolution graphics
: New pre-placed buildings on skirmish maps that automatically spawn free units for whoever controls them, creating a "tower defense" feel in many missions. : The HD patch allows for high-resolution graphics