head to head
Borderlands 2 asks more than 999: Nine Hours, Nine Persons, Nine Doors, and the gap is execution.

Optimization · Systems & Chaos
A visual novel thriller mixing escape-room puzzles with branching life-or-death story routes.

Optimization · Systems & Chaos
Loot-shooter RPG built on gear chasing.
999: Nine Hours, Nine Persons, Nine Doors leans Optimization (Systems & Chaos); Borderlands 2 leans Optimization (Systems & Chaos).
Borderlands 2 leans clearly harder on execution.
999: Nine Hours, Nine Persons, Nine Doors
Tapping through text and puzzles, zero dexterity
Borderlands 2
Aim matters but generous hit feel
Borderlands 2 leans a little harder on reads, though the gap is small.
999: Nine Hours, Nine Persons, Nine Doors
Characters follow a fixed script, never adapt
Borderlands 2
Enemies are scripted loot fodder
Borderlands 2 leans clearly harder on variance.
999: Nine Hours, Nine Persons, Nine Doors
Hidden story branches and twists drive first playthroughs
Borderlands 2
Procedurally generated weapon drops vary
Borderlands 2 leans clearly harder on optimization.
999: Nine Hours, Nine Persons, Nine Doors
Escape-room puzzles and route flowchart are fully solvable
Borderlands 2
Skill trees and gear math heavily solved
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.