head to head
Desperados: Wanted Dead or Alive asks more than Portal, and the gap is variance.

Optimization · Pure Optimization
A western stealth-tactics game solved by planning perfect takedown chains.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Desperados: Wanted Dead or Alive leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Desperados: Wanted Dead or Alive
Quick-action setups demand precise simultaneous timing
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.
Desperados: Wanted Dead or Alive
Enemy view cones and patrols are fully scripted
Portal
No adversary modeling player.
Desperados: Wanted Dead or Alive leans clearly harder on variance.
Desperados: Wanted Dead or Alive
Layouts hidden only on first pass, then known
Portal
Deterministic chambers; no randomness.
Desperados: Wanted Dead or Alive leans a little harder on optimization, though the gap is small.
Desperados: Wanted Dead or Alive
Optimal takedown sequencing solves each western vignette
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.