Building comparison
head to head
Portal 2vsSupraland: Six Inches Under
Portal 2 asks more than Supraland: Six Inches Under, and the gap is optimization.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Supraland: Six Inches Under
Optimization · Pure Optimization
Tests creative tool-combination puzzle solving across a metroidvania sandbox.
Portal 2 leans Optimization (Pure Optimization); Supraland: Six Inches Under leans Optimization (Pure Optimization).
Portal 2Supraland: Six Inches Under
Axis by axis
Execution3 vs 4
Supraland: Six Inches Under leans a little harder on execution, though the gap is small.
Portal 2
Portal placement requires some precision but timing is lenient.
Supraland: Six Inches Under
First-person platforming and light combat need modest precision
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.
Supraland: Six Inches Under
Solo world with no adaptive adversary
Variance0 vs 1
Supraland: Six Inches Under leans a little harder on variance, though the gap is small.
Portal 2
Puzzles are deterministic with no randomness.
Supraland: Six Inches Under
Secrets are scripted-but-unknown until discovered
Optimization9 vs 7
Portal 2 leans clearly harder on optimization.
Portal 2
Solving the puzzle's logic IS the entire game.
Supraland: Six Inches Under
Chaining ability tools into puzzle solutions is the core test
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.