Building comparison
head to head
Child of LightvsPortal
Neither is simply harder - they are hard in different places. Child of Light demands more variance; Portal demands more execution.
Child of Light
Optimization · Pure Optimization
Painterly turn-based RPG built around interrupting enemies on a shared timeline.
Portal
Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Child of Light leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Child of LightPortal
Axis by axis
Execution2 vs 4
Portal leans clearly harder on execution.
Child of Light
Timeline interrupts need only light timing
Portal
Portal placement timing modest.
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Child of Light
Enemy AI is scripted
Portal
No adversary modeling player.
Variance2 vs 0
Child of Light leans clearly harder on variance.
Child of Light
Minor drop randomness
Portal
Deterministic chambers; no randomness.
Optimization8 vs 8
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Child of Light
Timeline manipulation, oculi crafting, skill trees
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.