head to head
Borderlands 2 asks more than Stranded Deep, and the gap is execution.

Optimization · Systems & Chaos
Loot-shooter RPG built on gear chasing.

Optimization · Systems & Chaos
Solving a castaway survival loop on procedurally placed Pacific islands against condition decay.
Borderlands 2 leans Optimization (Systems & Chaos); Stranded Deep leans Optimization (Systems & Chaos).
Borderlands 2 leans clearly harder on execution.
Borderlands 2
Aim matters but generous hit feel
Stranded Deep
Shark combat and crafting need minimal twitch skill
Borderlands 2 leans a little harder on reads, though the gap is small.
Borderlands 2
Enemies are scripted loot fodder
Stranded Deep
Marine life follows scripted aggression thresholds only
Borderlands 2 leans a little harder on variance, though the gap is small.
Borderlands 2
Procedurally generated weapon drops vary
Stranded Deep
Island layouts, loot containers, and boss shark HP vary per seed
Borderlands 2 leans clearly harder on optimization.
Borderlands 2
Skill trees and gear math heavily solved
Stranded Deep
Water, food, and raft routing are the solvable survival loop
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.