head to head
vs
Grand Theft Auto IVvsWii Play
Grand Theft Auto IV leans Execution (Practiced Mastery); Wii Play leans Execution (Pure Mechanics).
Grand Theft Auto IVWii Play
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads1 vs 2
Wii Play leans harder on reads: Two-player duels add slight mutual prediction
Variance2 vs 2
Even - both lean on variance about the same.
Optimization3 vs 2
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.