head to head
Live A Live asks more than Portal, and the gap is variance.

Optimization · Pure Optimization
An anthology JRPG where each scenario demands distinct positioning and build optimization against scripted enemy patterns.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Live A Live leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans a little harder on execution, though the gap is small.
Live A Live
Grid-based combat has mild positioning timing elements
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.
Live A Live
All eight scenario enemies are scripted
Portal
No adversary modeling player.
Live A Live leans clearly harder on variance.
Live A Live
Ambush and battle position randomness affect some chapter outcomes
Portal
Deterministic chambers; no randomness.
Portal leans a little harder on optimization, though the gap is small.
Live A Live
Chapter-specific unit builds and grid positioning form the solvable core
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.