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
An action RPG that crowns you king and tests your treasury more than your sword.

Optimization · Pure Optimization
A lemmings-style puzzle series testing deterministic route planning for marching minis.
Fable III leans Optimization (Pure Optimization); Mario vs. Donkey Kong: Tipping Stars 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.
Fable III
Simplified combat rarely punishes
Mario vs. Donkey Kong: Tipping Stars
Stylus rib-placement under mild time pressure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fable III
Scripted enemies
Mario vs. Donkey Kong: Tipping Stars
Minis follow strict lemming-like movement rules
Fable III leans a little harder on variance, though the gap is small.
Fable III
Largely fixed world
Mario vs. Donkey Kong: Tipping Stars
Puzzles are fully deterministic and visible
Mario vs. Donkey Kong: Tipping Stars leans a little harder on optimization, though the gap is small.
Fable III
Treasury management and kingdom promises drive the endgame
Mario vs. Donkey Kong: Tipping Stars
Routing minis to the door efficiently is the whole test
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.