head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

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

Execution · Pure Mechanics
A twin-stick arcade shooter where relentless swarm pressure demands perfect movement and targeting at escalating pace.
Doom (1993) leans Execution (Pure Mechanics); Geometry Wars 3: Dimensions 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
Geometry Wars 3: Dimensions
Weaving geometric enemy swarms at extreme speed is the ceiling
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
Geometry Wars 3: Dimensions
No opponent; all enemy behaviour is scripted swarm logic
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Doom (1993)
Enemy placement is fixed but unknown on first run through levels
Geometry Wars 3: Dimensions
Enemy spawn positions vary run-to-run, adding chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Doom (1993)
Level routing and resource management determine survival efficiency
Geometry Wars 3: Dimensions
Drone type selection and geom farming locations are learnable
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.