head to head
DOOM (2016) asks more than Um Jammer Lammy, and the gap is optimization.

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

Execution · Pure Mechanics
PaRappa spinoff guitar rhythm game with famously strict and slippery timing judgment.
DOOM (2016) leans Execution (Pure Mechanics); Um Jammer Lammy leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
DOOM (2016)
Aim, movement, glory-kill timing all peak.
Um Jammer Lammy
Loose timing windows punish imprecise guitar inputs
DOOM (2016) leans a little harder on reads, though the gap is small.
DOOM (2016)
Demons scripted attack patterns.
Um Jammer Lammy
Call-and-response lines are scripted
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.
Um Jammer Lammy
Fixed songs, ad-lib scoring slightly opaque
DOOM (2016) leans clearly harder on optimization.
DOOM (2016)
Rune and weapon mod picks meaningful.
Um Jammer Lammy
Freestyle Cool-mode lines can be crafted and 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.