head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Pure Mechanics
A high-speed auto-runner testing color-matching reflexes and jump precision.

Execution · Pure Mechanics
Push-forward arena FPS where movement and aim are the whole game.
Chameleon Run leans Execution (Pure Mechanics); DOOM (2016) leans Execution (Pure Mechanics).
Chameleon Run leans a little harder on execution, though the gap is small.
Chameleon Run
Color-switch and jump timing at speed decides everything
DOOM (2016)
Aim, movement, glory-kill timing all peak.
DOOM (2016) leans a little harder on reads, though the gap is small.
Chameleon Run
Solo - no opponent to model
DOOM (2016)
Demons scripted attack patterns.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Chameleon Run
Tracks are fixed and memorizable
DOOM (2016)
Minimal encounter randomness.
DOOM (2016) leans a little harder on optimization, though the gap is small.
Chameleon Run
Path choice and collectible routing rewards replays
DOOM (2016)
Rune and weapon mod picks meaningful.
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.