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
The reboot that turned Assassin's Creed into a loot-driven action RPG.

Optimization · Practiced Mastery
A long Viking RPG carried by exploration and gear progression.
Assassin's Creed Origins leans Optimization (Practiced Mastery); Assassin's Creed Valhalla 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 Origins
Hitbox-based combat needs timing but lenient.
Assassin's Creed Valhalla
Combat timing matters but 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 Origins
Guard AI scripted, predictable.
Assassin's Creed Valhalla
Enemies scripted and predictable.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Origins
Loot rarity rolls present.
Assassin's Creed Valhalla
Loot rolls and raid encounters vary mildly.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Origins
Gear, abilities, target loadouts solvable.
Assassin's Creed Valhalla
Skill tree, gear, raid routing solvable.
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.