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
A roguelite dungeon-crawler fused with a cult management sim.
Borderlands: The Pre-Sequel leans Optimization (Practiced Mastery); Cult of the Lamb 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
Cult of the Lamb
Roguelite combat needs decent dodges.
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
Cult of the Lamb
Enemies are scripted, not adaptive.
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
Cult of the Lamb
Run rooms and tarot pulls randomize.
Cult of the Lamb leans a little harder on optimization, though the gap is small.
Borderlands: The Pre-Sequel
Oz-kit builds and gear synergy decide power
Cult of the Lamb
Cult management and build synergies dominate.
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.