head to head
vs
FIFA 99vsWWE 2K15
FIFA 99 leans Execution (Competitive PvP); WWE 2K15 leans Execution (Competitive PvP).
FIFA 99WWE 2K15
Axis by axis
Execution6 vs 5
FIFA 99 leans harder on execution: Quick passing and shot timing in arcade-leaning football
Reads4 vs 4
Even - both lean on reads about the same.
Variance3 vs 2
FIFA 99 leans harder on variance: Era physics produce regular fluke goals
Optimization3 vs 4
WWE 2K15 leans harder on optimization: Move sets, stamina and match pacing are learnable systems
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.