head to head
Borderlands 2 asks more than Angry Birds Blast!, and the gap is execution.

Optimization · Systems & Chaos
A tile-matching puzzle of planning clears against a randomized board.

Optimization · Systems & Chaos
Loot-shooter RPG built on gear chasing.
Angry Birds Blast! leans Optimization (Systems & Chaos); Borderlands 2 leans Optimization (Systems & Chaos).
Borderlands 2 leans clearly harder on execution.
Angry Birds Blast!
Tapping tile clusters has no timing demand
Borderlands 2
Aim matters but generous hit feel
Borderlands 2 leans a little harder on reads, though the gap is small.
Angry Birds Blast!
Solo match game, no opponent to model
Borderlands 2
Enemies are scripted loot fodder
Borderlands 2 leans a little harder on variance, though the gap is small.
Angry Birds Blast!
Board layout and power-up drops are randomized
Borderlands 2
Procedurally generated weapon drops vary
Borderlands 2 leans a little harder on optimization, though the gap is small.
Angry Birds Blast!
Planning matches and power-up combos to clear objectives
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.