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.

Execution · Practiced Mastery
A Platinum action game about juggling two characters at once with style.

Execution · Pure Mechanics
Spectacle hack-and-slash where reflexes and combo flow drive every fight.
Astral Chain leans Execution (Practiced Mastery); God of War III leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Astral Chain
Dual character-Legion control demands real dexterity.
God of War III
Combo execution and QTE timing carry combat.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Astral Chain
Enemy patterns scripted, not adaptive.
God of War III
Bosses fully scripted spectacle.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Astral Chain
Encounters fixed and replayable.
God of War III
Almost no randomness.
Astral Chain leans a little harder on optimization, though the gap is small.
Astral Chain
Legion abilities and combo scoring learnable.
God of War III
Upgrade paths short and obvious.
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.