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 · Practiced Mastery
A twin-stick shooter about aiming and matching weapons to scripted ghost waves.

Execution · Practiced Mastery
An open-world revenge tale where a new shapeshifter hunts Alex Mercer through plague-zoned New York.
Ghostbusters: Sanctum of Slime leans Execution (Practiced Mastery); Prototype 2 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Ghostbusters: Sanctum of Slime
Twin-stick aiming and dodging lead the combat
Prototype 2
Power-swapping combat and traversal demand decent dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Ghostbusters: Sanctum of Slime
Ghost enemies follow scripted patterns, not adapting
Prototype 2
Blackwatch and infected never adapt
Ghostbusters: Sanctum of Slime leans a little harder on variance, though the gap is small.
Ghostbusters: Sanctum of Slime
Enemy spawns and color-matching add some chaos
Prototype 2
Sandbox encounters carry slight randomness
Prototype 2 leans a little harder on optimization, though the gap is small.
Ghostbusters: Sanctum of Slime
Matching weapon colors to enemies rewards planning
Prototype 2
Mutation upgrades and target-hunting routes reward planning
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.