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

Optimization · Practiced Mastery
A Revolution-era Paris entry built around dense crowds and open-ended blackbox assassinations.

Optimization · Practiced Mastery
Comedy RPG where every turn-based attack hides an action-timing minigame.
Assassin's Creed Unity leans Optimization (Practiced Mastery); Mario & Luigi: Superstar Saga leans Optimization (Practiced Mastery).
Mario & Luigi: Superstar Saga leans a little harder on execution, though the gap is small.
Assassin's Creed Unity
Refined parkour, still forgiving combat
Mario & Luigi: Superstar Saga
Timed hits and dodge jumps every turn
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Unity
Co-op partners face scripted guards
Mario & Luigi: Superstar Saga
Bosses telegraph fixed patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Unity
Fixed sandbox assassinations
Mario & Luigi: Superstar Saga
Encounters are authored
Mario & Luigi: Superstar Saga leans a little harder on optimization, though the gap is small.
Assassin's Creed Unity
Gear builds and blackbox approach planning
Mario & Luigi: Superstar Saga
Bros. Attack mastery and stat builds
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.