head to head
Neither is simply harder - they are hard in different places. Portal demands more execution; The Hundred Line: Last Defense Academy demands more variance.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.

Optimization · Pure Optimization
Tactical action-point puzzles threaded through a branching hidden-truth narrative.
Portal leans Optimization (Pure Optimization); The Hundred Line: Last Defense Academy leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
Portal
Portal placement timing modest.
The Hundred Line: Last Defense Academy
Turn-based tactics and reading require no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Portal
No adversary modeling player.
The Hundred Line: Last Defense Academy
Monsters and classmates follow authored scripts
The Hundred Line: Last Defense Academy leans clearly harder on variance.
Portal
Deterministic chambers; no randomness.
The Hundred Line: Last Defense Academy
Route branches and story twists are hidden information to uncover
Portal leans a little harder on optimization, though the gap is small.
Portal
Pure puzzle-solving optimization.
The Hundred Line: Last Defense Academy
Action-point puzzles and route planning are the solvable spine
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.