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

Optimization · Pure Optimization
A tower-defense gacha where carefully placed operators hold lanes against scripted waves.

Optimization · Pure Optimization
The original post-apocalyptic CRPG where character builds solve the wasteland.
Arknights leans Optimization (Pure Optimization); Fallout leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Arknights
Deployment is unhurried and pausable
Fallout
Turn-based, no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Arknights
Enemies follow published routes
Fallout
No adaptive opposition
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Arknights
Gacha rolls shape your roster
Fallout
To-hit rolls and random encounters
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Arknights
Operator placement puzzles are fully solvable
Fallout
SPECIAL builds and quest routing are deeply 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.