head to head
Neither is simply harder - they are hard in different places. Armello demands more reads; Borderlands 2 demands more execution.

Variance · Systems & Chaos
A digital board game where animal heroes scheme, fight, and dice-roll for a dying king's throne.

Optimization · Systems & Chaos
Loot-shooter RPG built on gear chasing.
Armello leans Variance (Systems & Chaos); Borderlands 2 leans Optimization (Systems & Chaos).
Borderlands 2 leans clearly harder on execution.
Armello
Turn-based, no dexterity
Borderlands 2
Aim matters but generous hit feel
Armello leans clearly harder on reads.
Armello
Human rivals bluff and shift targets
Borderlands 2
Enemies are scripted loot fodder
Armello leans a little harder on variance, though the gap is small.
Armello
Dice combat and card draws everywhere
Borderlands 2
Procedurally generated weapon drops vary
Borderlands 2 leans clearly harder on optimization.
Armello
Quest routing and prestige math
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.