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

Execution · Pure Mechanics
A test of fast, precise shooting and map navigation against scripted but relentless enemies.

Execution · Pure Mechanics
A frantic vertical roguelite about falling fast and shooting your boots.
Doom (1993) leans Execution (Pure Mechanics); Downwell 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 (1993)
Precise movement and shooting against relentless enemy pressure
Downwell
Gunboot timing and split-second landings decide runs
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Doom (1993)
Enemies follow scripted patrol and attack patterns, not adaptive
Downwell
Enemies never adapt
Downwell leans a little harder on variance, though the gap is small.
Doom (1993)
Enemy placement is fixed but unknown on first run through levels
Downwell
Procedural wells and shop offers vary runs
Doom (1993) leans a little harder on optimization, though the gap is small.
Doom (1993)
Level routing and resource management determine survival efficiency
Downwell
Combo lines and upgrade picks reward study
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.