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

Optimization · Pure Optimization
The 2002 Total War pairing turn-based medieval empire management with massive real-time battles.

Optimization · Pure Optimization
A beloved turn-based RPG with theatrical combat.
Medieval: Total War leans Optimization (Pure Optimization); Paper Mario: The Thousand-Year Door 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.
Medieval: Total War
Real-time battle control rewards quick unit handling
Paper Mario: The Thousand-Year Door
Action commands and stylish moves
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Medieval: Total War
Multiplayer battles add human feints; campaign AI is scripted
Paper Mario: The Thousand-Year Door
Scripted enemy AI
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Medieval: Total War
Battle dice, loyalty and event cards add noise
Paper Mario: The Thousand-Year Door
Audience and badge effects
Medieval: Total War leans a little harder on optimization, though the gap is small.
Medieval: Total War
Campaign economy and battlefield doctrine are deeply learnable
Paper Mario: The Thousand-Year Door
Badge builds and partner tactics
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.