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
Solving fixed gravity-bending puzzles inside a deterministic nightmare.

Optimization · Pure Optimization
Grid-based tactical combat solved through positioning and builds.
Darq leans Optimization (Pure Optimization); South Park: The Fractured But Whole 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.
Darq
Slow stealth walking; minimal timing demands
South Park: The Fractured But Whole
Timing minigames barely gate the grid combat
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Darq
Nightmare enemies patrol fixed scripted routes
South Park: The Fractured But Whole
Enemy turns follow fixed visible logic
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Darq
Puzzle solutions hidden only until first discovery
South Park: The Fractured But Whole
Minor roll spread; encounters are otherwise fixed
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Darq
Gravity-bending puzzle logic is the entire test
South Park: The Fractured But Whole
Grid positioning and artifact builds solve every fight
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.