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 stealth-action adventure where Aveline swaps social personas to move through 18th-century New Orleans.

Optimization · Practiced Mastery
A Wii physics puzzler about toppling or surgically dismantling block towers.
Assassin's Creed III: Liberation 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 III: Liberation
Lenient parkour and counter combat set a low ceiling
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 III: Liberation
Guards follow patrol scripts without adapting
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 III: Liberation
Light patrol and notoriety randomness
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 III: Liberation
Persona disguise system and mission routing reward planning
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.