Building comparison
head to head
Hitman 3vsPortal
Hitman 3 asks more than Portal, and the gap is variance.
Hitman 3
Optimization · Pure Optimization
Sandbox assassination puzzles where mastering routes is the entire game.
Portal
Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Hitman 3 leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Hitman 3Portal
Axis by axis
Execution3 vs 4
Portal leans a little harder on execution, though the gap is small.
Hitman 3
Inputs matter only at execution moments.
Portal
Portal placement timing modest.
Reads1 vs 0
Hitman 3 leans a little harder on reads, though the gap is small.
Hitman 3
Guards scripted; routines repeat.
Portal
No adversary modeling player.
Variance2 vs 0
Hitman 3 leans clearly harder on variance.
Hitman 3
Some patrol timing variance.
Portal
Deterministic chambers; no randomness.
Optimization9 vs 8
Hitman 3 leans a little harder on optimization, though the gap is small.
Hitman 3
Levels are puzzles - routes and disguises solvable.
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.