head to head
vs
Half-Life 2vsLegendary
Half-Life 2 leans Execution (Pure Mechanics); Legendary leans Execution (Pure Mechanics).
Half-Life 2Legendary
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads1 vs 0
Half-Life 2 leans harder on reads: Combine AI scripted, non-adaptive.
Variance1 vs 2
Legendary leans harder on variance: Setpiece chaos varies slightly but encounters are fixed
Optimization3 vs 3
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.