head to head
Portal asks more than Broken Sword: The Sleeping Dragon, and the gap is execution.

Optimization · Pure Optimization
A narrative adventure built around solvable item and logic puzzles.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Broken Sword: The Sleeping Dragon leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
Broken Sword: The Sleeping Dragon
light action segments, mostly puzzle-paced
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.
Broken Sword: The Sleeping Dragon
no adaptive antagonist present
Portal
No adversary modeling player.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Broken Sword: The Sleeping Dragon
deterministic puzzle outcomes
Portal
Deterministic chambers; no randomness.
Portal leans a little harder on optimization, though the gap is small.
Broken Sword: The Sleeping Dragon
item and dialogue logic puzzles
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.