head to head
Neither is simply harder - they are hard in different places. DOOM (2016) demands more optimization; WarioWare: Touched! demands more variance.

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

Execution · Pure Mechanics
Touch-screen reaction speed against a randomised barrage of microgames.
DOOM (2016) leans Execution (Pure Mechanics); WarioWare: Touched! 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.
WarioWare: Touched!
Instant stylus reactions to five-second prompts are everything
DOOM (2016) leans a little harder on reads, though the gap is small.
DOOM (2016)
Demons scripted attack patterns.
WarioWare: Touched!
No opponent - just escalating microgame speed
WarioWare: Touched! leans clearly harder on variance.
DOOM (2016)
Minimal encounter randomness.
WarioWare: Touched!
Random microgame order demands instant recognition
DOOM (2016) leans clearly harder on optimization.
DOOM (2016)
Rune and weapon mod picks meaningful.
WarioWare: Touched!
Each microgame is trivially solvable once recognised
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.