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 · Pure Optimization
A tower-defense game mixing snowball action with scripted-wave strategy.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
South Park Let's Go Tower Defense Play! leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
South Park Let's Go Tower Defense Play!
Snowball aiming adds light action demands
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
South Park Let's Go Tower Defense Play! leans a little harder on reads, though the gap is small.
South Park Let's Go Tower Defense Play!
Enemy waves are scripted, no adaptive opponent
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
South Park Let's Go Tower Defense Play! leans a little harder on variance, though the gap is small.
South Park Let's Go Tower Defense Play!
Wave order unknown first time, then fixed
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
South Park Let's Go Tower Defense Play!
Tower placement and resource management solve each map
The Elder Scrolls V: Skyrim
Skill stacking, enchant loops, and exploits are deeply solvable.
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.