head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Practiced Mastery
A moon-set Borderlands entry adding low gravity and oxygen mechanics.

Optimization · Pure Optimization
Day-job hybrid of relaxed spearfishing dives and nightly sushi-bar management.
Borderlands: The Pre-Sequel leans Optimization (Practiced Mastery); Dave the Diver leans Optimization (Pure Optimization).
Borderlands: The Pre-Sequel leans a little harder on execution, though the gap is small.
Borderlands: The Pre-Sequel
Low-gravity movement and aim are moderate demands
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.
Borderlands: The Pre-Sequel
Scripted enemies only
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.
Borderlands: The Pre-Sequel
Loot RNG remains central
Dave the Diver
daily fish spawns and sea changes vary
Dave the Diver leans a little harder on optimization, though the gap is small.
Borderlands: The Pre-Sequel
Oz-kit builds and gear synergy decide power
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.