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.

Optimization · Practiced Mastery
A chaotic co-op action game where wizards combine eight elements into thousands of spells, often frying each other.

Optimization · Practiced Mastery
An action RPG where leveling means choosing which Londoners to drain.
Magicka leans Optimization (Practiced Mastery); Vampyr leans Optimization (Practiced Mastery).
Magicka leans a little harder on execution, though the gap is small.
Magicka
Typing element combos quickly mid-combat is the hands test
Vampyr
Dodge-and-stamina melee combat with modest demands
Magicka leans a little harder on reads, though the gap is small.
Magicka
Enemies are scripted; friendly fire isn't adaptive
Vampyr
Enemies follow scripted patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Magicka
Co-op friendly-fire chaos adds unpredictability
Vampyr
Citizen secrets are hidden until investigated
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Magicka
Discovering and exploiting spell combinations dominates
Vampyr
The feed-or-spare XP economy is the central solvable system
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.