head to head
vs
Grand Theft Auto IVvsZombie Driver HD
Grand Theft Auto IV leans Execution (Practiced Mastery); Zombie Driver HD leans Execution (Practiced Mastery).
Grand Theft Auto IVZombie Driver HD
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
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 4
Zombie Driver HD leans harder on optimization: vehicle-upgrade and route optimization
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.