head to head
Pokémon Stadium asks more than Crusader Kings II, and the gap is reads.

Optimization · Systems & Chaos
Medieval dynasty sim with chaotic event-driven stories.

Optimization · Mind & Math
N64 battle sim bringing 3D Pokémon fights and rental-team tournaments to the couch.
Crusader Kings II leans Optimization (Systems & Chaos); Pokémon Stadium leans Optimization (Mind & Math).
Crusader Kings II leans a little harder on execution, though the gap is small.
Crusader Kings II
pausable, no reflex
Pokémon Stadium
Turn-based selection only
Pokémon Stadium leans clearly harder on reads.
Crusader Kings II
AI characters scripted not adaptive
Pokémon Stadium
Versus mode against humans rewards prediction
Crusader Kings II leans a little harder on variance, though the gap is small.
Crusader Kings II
dynastic events, traits, intrigue
Pokémon Stadium
Rental rosters and crit rolls swing matches
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Crusader Kings II
succession, marriages, claims plannable
Pokémon Stadium
Type theory and rental drafting are studyable
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.