head to head
Neither is simply harder - they are hard in different places. Lords of Football demands more variance; Portal demands more execution.

Optimization · Pure Optimization
A football management sim emphasizing player personalities and off-pitch drama.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Lords of Football leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
Lords of Football
minimal direct control, management focus
Portal
Portal placement timing modest.
Lords of Football leans clearly harder on reads.
Lords of Football
opposing managers' AI is scripted
Portal
No adversary modeling player.
Lords of Football leans clearly harder on variance.
Lords of Football
match outcomes and events randomized
Portal
Deterministic chambers; no randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Lords of Football
squad management and training dominate
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.