Building comparison
head to head
Last Day on Earth: SurvivalvsPortal 2
Neither is simply harder - they are hard in different places. Last Day on Earth: Survival demands more variance; Portal 2 demands more optimization.
Last Day on Earth: Survival
Optimization · Pure Optimization
A crafting-grind survival loop where efficient resource routing beats any combat skill.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Last Day on Earth: Survival leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Last Day on Earth: SurvivalPortal 2
Axis by axis
Execution2 vs 3
Portal 2 leans a little harder on execution, though the gap is small.
Last Day on Earth: Survival
Tap-to-fight combat with minimal twitch demand
Portal 2
Portal placement requires some precision but timing is lenient.
Reads1 vs 0
Last Day on Earth: Survival leans a little harder on reads, though the gap is small.
Last Day on Earth: Survival
Other players raid bases but rarely interact live
Portal 2
No opponent; puzzles are static.
Variance3 vs 0
Last Day on Earth: Survival leans clearly harder on variance.
Last Day on Earth: Survival
Loot tables and event spawns add mappable randomness
Portal 2
Puzzles are deterministic with no randomness.
Optimization7 vs 9
Portal 2 leans clearly harder on optimization.
Last Day on Earth: Survival
Crafting trees, base layout and energy routing dominate progress
Portal 2
Solving the puzzle's logic IS the entire game.
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.