head to head
vs
Half-Life 2vsOutlaw
Half-Life 2 leans Execution (Pure Mechanics); Outlaw leans Execution (Pure Mechanics).
Half-Life 2Outlaw
Axis by axis
Execution6 vs 7
Outlaw leans harder on execution: precise aiming and movement in duels
Reads1 vs 3
Outlaw leans harder on reads: human opponents adapt dueling tactics
Variance1 vs 1
Even - both lean on variance about the same.
Optimization3 vs 2
Half-Life 2 leans harder on optimization: Linear progression with no builds.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.