head to head
Neither is simply harder - they are hard in different places. DOOM (2016) demands more optimization; Outlaw demands more reads.

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

Execution · Pure Mechanics
An early top-down shootout game testing precise aim against a human opponent.
DOOM (2016) leans Execution (Pure Mechanics); Outlaw leans Execution (Pure Mechanics).
DOOM (2016) leans a little harder on execution, though the gap is small.
DOOM (2016)
Aim, movement, glory-kill timing all peak.
Outlaw
precise aiming and movement in duels
Outlaw leans clearly harder on reads.
DOOM (2016)
Demons scripted attack patterns.
Outlaw
human opponents adapt dueling tactics
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
DOOM (2016)
Minimal encounter randomness.
Outlaw
minimal randomness in shootouts
DOOM (2016) leans clearly harder on optimization.
DOOM (2016)
Rune and weapon mod picks meaningful.
Outlaw
minimal system depth
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.