head to head
vs
Portal 2vsStephen's Sausage Roll
Portal 2 leans Optimization (Pure Optimization); Stephen's Sausage Roll leans Optimization (Pure Optimization).
Portal 2Stephen's Sausage Roll
Axis by axis
Execution3 vs 2
Portal 2 leans harder on execution: Portal placement requires some precision but timing is lenient.
Reads0 vs 0
Even - both lean on reads about the same.
Variance0 vs 0
Even - both lean on variance about the same.
Optimization9 vs 10
Stephen's Sausage Roll leans harder on optimization: Finding the single valid sequence of moves in each minimal-grid puzzle
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.