head to head
vs
Grand Theft Auto IVvsHong Kong 97
Grand Theft Auto IV leans Execution (Practiced Mastery); Hong Kong 97 leans Execution (Twitch Chaos).
Grand Theft Auto IVHong Kong 97
Axis by axis
Execution5 vs 4
Grand Theft Auto IV leans harder on execution: Heavier driving and cover shooting reward control.
Reads1 vs 0
Grand Theft Auto IV leans harder on reads: Scripted AI, no adaptive opponent modeling.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization3 vs 1
Grand Theft Auto IV leans harder on optimization: Mission routing and weapon picks learnable.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.