Building comparison
head to head
WWE 2K15vsWWF War Zone
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.
WWE 2K15
Execution · Competitive PvP
Reversal timing and pacing against an opponent baiting your counters.
WWF War Zone
Execution · Competitive PvP
Grapple timing and reversal prediction against human opponents in the ring.
WWE 2K15 leans Execution (Competitive PvP); WWF War Zone leans Execution (Competitive PvP).
WWE 2K15WWF War Zone
Axis by axis
Execution5 vs 6
WWF War Zone leans a little harder on execution, though the gap is small.
WWE 2K15
Reversal timing windows decide most exchanges
WWF War Zone
Move inputs and reversal timing decide exchanges
Reads4 vs 5
WWF War Zone leans a little harder on reads, though the gap is small.
WWE 2K15
Human opponents bait reversals and vary move timing
WWF War Zone
Human opponents bait grapples and reversals constantly
Variance2 vs 2
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
WWE 2K15
Chain-wrestling rock-paper-scissors minigames add randomness
WWF War Zone
Minor hit randomness in grapple trades
Optimization4 vs 4
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
WWE 2K15
Move sets, stamina and match pacing are learnable systems
WWF War Zone
Learning each wrestler's movelist and counters is the homework
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.