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 · Pure Optimization
The co-op sequel where two players engineer overlapping trap gauntlets against orc waves.

Optimization · Pure Optimization
A physics puzzle game about building wobbly towers and bridges from living goo balls.
Orcs Must Die! 2 leans Optimization (Pure Optimization); World of Goo leans Optimization (Pure Optimization).
Orcs Must Die! 2 leans a little harder on execution, though the gap is small.
Orcs Must Die! 2
Co-op shooting and trap triggering
World of Goo
Placing goo balls needs only mild precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Orcs Must Die! 2
Scripted wave pathing
World of Goo
No opponent exists
Orcs Must Die! 2 leans a little harder on variance, though the gap is small.
Orcs Must Die! 2
Endless mode shuffles compositions slightly
World of Goo
Physics are visible and deterministic
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Orcs Must Die! 2
Upgrade spirit economy and trap synergies dominate
World of Goo
Tower structure and goo economy are solvable per level
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.