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

Optimization · Practiced Mastery
Memorising and rapidly inputting spell recipes while dodging your own friends.

Optimization · Practiced Mastery
A demanding action RPG where dodge timing meets alchemy build planning.
Magicka 2 leans Optimization (Practiced Mastery); The Witcher 2: Assassins of Kings leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Magicka 2
Typing element combos quickly mid-fight is the skill ceiling
The Witcher 2: Assassins of Kings
Tight dodge and parry windows
The Witcher 2: Assassins of Kings leans a little harder on reads, though the gap is small.
Magicka 2
Enemies are scripted; friendly-fire chaos is not prediction
The Witcher 2: Assassins of Kings
Scripted enemy patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Magicka 2
Co-op misfires add slapstick randomness, little else
The Witcher 2: Assassins of Kings
Some loot and alchemy variance
Magicka 2 leans a little harder on optimization, though the gap is small.
Magicka 2
Knowing the strongest spell recipes trivialises encounters
The Witcher 2: Assassins of Kings
Sign, alchemy, and skill builds matter
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.