head to head
vs
BioShockvsSpider-Man 2: Enter Electro
BioShock leans Execution (Practiced Mastery); Spider-Man 2: Enter Electro leans Execution (Practiced Mastery).
BioShockSpider-Man 2: Enter Electro
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
BioShock leans harder on variance: Loot and splicer spawns randomized.
Optimization5 vs 4
BioShock leans harder on optimization: Tonics, plasmids, weapon upgrades solvable.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.