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
A knowledge-based mystery solved by mapping a deterministic solar system.

Optimization · Pure Optimization
A deeper extension of the original spatial logic with more elaborate multi-tool puzzles.
Outer Wilds leans Optimization (Pure Optimization); The Talos Principle 2 leans Optimization (Pure Optimization).
Outer Wilds leans a little harder on execution, though the gap is small.
Outer Wilds
Light piloting, mostly forgiving
The Talos Principle 2
Environmental traversal imposes negligible physical demands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Outer Wilds
World is fixed; nothing adapts to you
The Talos Principle 2
No opponent; isolated puzzle solving throughout
Outer Wilds leans a little harder on variance, though the gap is small.
Outer Wilds
Loop is deterministic once understood
The Talos Principle 2
Puzzles are fully deterministic with no randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Outer Wilds
Pure knowledge puzzle - solve the system
The Talos Principle 2
Expanded connector and accumulator mechanics require exact logical sequencing
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.