head to head
DOOM (2016) asks more than Rock Band 4, and the gap is optimization.

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

Execution · Pure Mechanics
The modern Rock Band keeping plastic-instrument band night alive with a huge DLC library.
DOOM (2016) leans Execution (Pure Mechanics); Rock Band 4 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.
Rock Band 4
Instrument accuracy remains the entire test
DOOM (2016) leans a little harder on reads, though the gap is small.
DOOM (2016)
Demons scripted attack patterns.
Rock Band 4
No adaptive opponent
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.
Rock Band 4
Freestyle solos add slight improvisational looseness
DOOM (2016) leans clearly harder on optimization.
DOOM (2016)
Rune and weapon mod picks meaningful.
Rock Band 4
Overdrive pathing and chart familiarity
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.