head to head
Neither is simply harder - they are hard in different places. DOOM (2016) demands more execution; Kunio-kun's Nekketsu Soccer League demands more reads.

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

Execution · Pure Mechanics
Arcade soccer brawling where quick inputs and special-shot setups beat tactics.
DOOM (2016) leans Execution (Pure Mechanics); Kunio-kun's Nekketsu Soccer League leans Execution (Pure Mechanics).
DOOM (2016) leans clearly harder on execution.
DOOM (2016)
Aim, movement, glory-kill timing all peak.
Kunio-kun's Nekketsu Soccer League
Special shots, tackles and positioning need quick hands
Kunio-kun's Nekketsu Soccer League leans clearly harder on reads.
DOOM (2016)
Demons scripted attack patterns.
Kunio-kun's Nekketsu Soccer League
Versus a friend, faking shots and tackles adds prediction
Kunio-kun's Nekketsu Soccer League leans a little harder on variance, though the gap is small.
DOOM (2016)
Minimal encounter randomness.
Kunio-kun's Nekketsu Soccer League
Weather and wacky physics add mild chaos
DOOM (2016) leans clearly harder on optimization.
DOOM (2016)
Rune and weapon mod picks meaningful.
Kunio-kun's Nekketsu Soccer League
Team picks and shot setups have learnable best answers
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.