Building comparison
head to head
Crusader Kings IIvsOld World
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.
Crusader Kings II
Optimization · Systems & Chaos
Medieval dynasty sim with chaotic event-driven stories.
Old World
Optimization · Pure Optimization
Classical 4X with dynastic events and order economy.
Crusader Kings II leans Optimization (Systems & Chaos); Old World leans Optimization (Pure Optimization).
Crusader Kings IIOld World
Axis by axis
Execution1 vs 1
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Crusader Kings II
pausable, no reflex
Old World
turn-based, no twitch
Reads3 vs 3
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Crusader Kings II
AI characters scripted not adaptive
Old World
AI scripted, some MP
Variance5 vs 4
Crusader Kings II leans a little harder on variance, though the gap is small.
Crusader Kings II
dynastic events, traits, intrigue
Old World
event cards, character traits
Optimization7 vs 8
Old World leans a little harder on optimization, though the gap is small.
Crusader Kings II
succession, marriages, claims plannable
Old World
orders, families, tech routing
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.