head to head
vs
BioShock InfinitevsHalf-Life 2
BioShock Infinite leans Execution (Practiced Mastery); Half-Life 2 leans Execution (Pure Mechanics).
BioShock InfiniteHalf-Life 2
Axis by axis
Execution5 vs 6
Half-Life 2 leans harder on execution: Gravity gun and shooting demand precision.
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization4 vs 3
BioShock Infinite leans harder on optimization: Gear, vigors, weapon picks straightforward.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.