head to head
Neither is simply harder - they are hard in different places. DOOM (2016) demands more execution; WWF SmackDown! Just Bring It demands more reads.

Execution · Pure Mechanics
Push-forward arena FPS where movement and aim are the whole game.

Execution · Pure Mechanics
Grapple and reversal timing with light mindgames against human opponents.
DOOM (2016) leans Execution (Pure Mechanics); WWF SmackDown! Just Bring It leans Execution (Pure Mechanics).
DOOM (2016) leans clearly harder on execution.
DOOM (2016)
Aim, movement, glory-kill timing all peak.
WWF SmackDown! Just Bring It
Grapple timing and reversal windows decide matches
WWF SmackDown! Just Bring It leans clearly harder on reads.
DOOM (2016)
Demons scripted attack patterns.
WWF SmackDown! Just Bring It
Human opponents invite light reversal mindgames
WWF SmackDown! Just Bring It leans a little harder on variance, though the gap is small.
DOOM (2016)
Minimal encounter randomness.
WWF SmackDown! Just Bring It
Weapon spawns and AI interference add small chaos
DOOM (2016) leans clearly harder on optimization.
DOOM (2016)
Rune and weapon mod picks meaningful.
WWF SmackDown! Just Bring It
Move-set knowledge and match-type tactics are quickly learned
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.