head to head
Neither is simply harder - they are hard in different places. Life is Strange: True Colors demands more variance; Portal demands more execution.

Optimization · Pure Optimization
An empathy-powered mystery where reading emotional states leads methodically to a fixed resolution.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Life is Strange: True Colors leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
Life is Strange: True Colors
Empathy power and navigation demand no physical skill
Portal
Portal placement timing modest.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Life is Strange: True Colors
Scripted small-town mystery with no adaptive NPCs
Portal
No adversary modeling player.
Life is Strange: True Colors leans clearly harder on variance.
Life is Strange: True Colors
Hidden emotional auras create mild investigative uncertainty
Portal
Deterministic chambers; no randomness.
Portal leans clearly harder on optimization.
Life is Strange: True Colors
Aura reading leads to deterministic outcomes once the system is understood
Portal
Pure puzzle-solving optimization.
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.