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
Beloved sequel layering invention, photography, and town-building onto dungeon runs.

Optimization · Pure Optimization
Day-job hybrid of relaxed spearfishing dives and nightly sushi-bar management.
Dark Cloud 2 leans Optimization (Pure Optimization); Dave the Diver 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.
Dark Cloud 2
dodge-and-strike combat plus photo hunting
Dave the Diver
harpoon aiming and sushi-service minigames
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dark Cloud 2
no adaptive opponent
Dave the Diver
no adaptive opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dark Cloud 2
procedural dungeons and invention drops
Dave the Diver
daily fish spawns and sea changes vary
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dark Cloud 2
weapon synthesis and Georama building run deep
Dave the Diver
restaurant economy and gear upgrades drive progress
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.