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 methodical shooter that rewards learning enemy layouts and conserving resources across connected military bases.

Execution · Pure Mechanics
A loud, high-endurance test of accurate crowd control against relentless scripted enemy swarms in open arenas.
Quake II leans Execution (Pure Mechanics); Serious Sam: The First Encounter 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.
Quake II
Fast strafe-aim against hard-hitting enemies demands clean inputs
Serious Sam: The First Encounter
Sustained accurate fire against enormous enemy hordes demands constant aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Quake II
All enemies are scripted; no adaptive AI present
Serious Sam: The First Encounter
All enemies are scripted and follow fixed rush patterns
Quake II leans a little harder on variance, though the gap is small.
Quake II
Item and enemy placement is fixed but unknown on first play
Serious Sam: The First Encounter
Enemy placement is consistent across runs; no hidden information
Quake II leans a little harder on optimization, though the gap is small.
Quake II
Ammo and health economy tightly constrains routing through every level
Serious Sam: The First Encounter
Enemy priority and positioning strategy are learnable but shallow
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.