head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
A feudal-Japan open-world RPG balancing stealth routing against build progression.

Optimization · Practiced Mastery
A Wii physics puzzler about toppling or surgically dismantling block towers.
Assassin's Creed Shadows leans Optimization (Practiced Mastery); Boom Blox leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Shadows
Dual protagonists reward timing, still forgiving.
Boom Blox
Throw aim and timing matter but stay forgiving
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Shadows
Enemy AI scripted, not adaptive.
Boom Blox
Party multiplayer adds light human interference
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Shadows
Loot and seasonal conditions lightly randomized.
Boom Blox
Physics tumbles add mild unpredictability
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Shadows
Builds, gear, and stealth routes solvable.
Boom Blox
Finding the optimal block to pull is the real 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.