head to head
vs
Crusader Kings IIvsRush Royale
Crusader Kings II leans Optimization (Systems & Chaos); Rush Royale leans Variance (Systems & Chaos).
Crusader Kings IIRush Royale
Axis by axis
Execution1 vs 2
Rush Royale leans harder on execution: Tapping merges fast helps slightly, no real ceiling
Reads3 vs 2
Crusader Kings II leans harder on reads: AI characters scripted not adaptive
Variance5 vs 7
Rush Royale leans harder on variance: Unit spawn and merge RNG dominates every match
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.