head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Optimization · Pure Optimization
A warm, classic JRPG adventure with deep alchemy crafting.

Optimization · Pure Optimization
Fifth-generation reboot with an entirely new monster roster and stronger story.
Dragon Quest VIII: Journey of the Cursed King leans Optimization (Pure Optimization); Pokémon Black leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Quest VIII: Journey of the Cursed King
Turn-based menus, zero dexterity
Pokémon Black
Menu battles, zero reflex demand
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Quest VIII: Journey of the Cursed King
Monsters act on fixed logic
Pokémon Black
Story trainers follow fixed logic
Dragon Quest VIII: Journey of the Cursed King leans a little harder on variance, though the gap is small.
Dragon Quest VIII: Journey of the Cursed King
Battle RNG, drops, and casino luck
Pokémon Black
Encounter and damage-roll randomness
Pokémon Black leans a little harder on optimization, though the gap is small.
Dragon Quest VIII: Journey of the Cursed King
Skill points, alchemy, and tension are optimizable
Pokémon Black
All-new dex forces fresh team optimization
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.