Building comparison
head to head
Portal 2vsStill Life
Neither is simply harder - they are hard in different places. Portal 2 demands more optimization; Still Life demands more variance.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Still Life
Optimization · Pure Optimization
Uncovering a fixed murder mystery through inventory puzzles and deduction.
Portal 2 leans Optimization (Pure Optimization); Still Life leans Optimization (Pure Optimization).
Portal 2Still Life
Axis by axis
Execution3 vs 1
Portal 2 leans clearly harder on execution.
Portal 2
Portal placement requires some precision but timing is lenient.
Still Life
Pointing and clicking carries no physical demand
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Portal 2
No opponent; puzzles are static.
Still Life
The killer is a fixed narrative, not an adapting opponent
Variance0 vs 3
Still Life leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
Still Life
The mystery's facts are hidden until uncovered
Optimization9 vs 6
Portal 2 leans clearly harder on optimization.
Portal 2
Solving the puzzle's logic IS the entire game.
Still Life
Inventory puzzles and deduction steps have fixed solutions
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.