head to head
Hotline Miami 2: Wrong Number asks more than Half-Life 2, and the gap is execution.

Execution · Pure Mechanics
Landmark FPS built on physics puzzles and tight gunplay.

Execution · Pure Mechanics
Harder, longer-sightline sequel demanding even cleaner execution per floor.
Half-Life 2 leans Execution (Pure Mechanics); Hotline Miami 2: Wrong Number leans Execution (Pure Mechanics).
Hotline Miami 2: Wrong Number leans clearly harder on execution.
Half-Life 2
Gravity gun and shooting demand precision.
Hotline Miami 2: Wrong Number
Long sightlines punish any aim or timing slip
Half-Life 2 leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
Hotline Miami 2: Wrong Number
No adaptive opposition, just scripted aggression
Hotline Miami 2: Wrong Number leans a little harder on variance, though the gap is small.
Half-Life 2
Almost no randomness.
Hotline Miami 2: Wrong Number
Enemy wander adds restart-to-restart noise
Hotline Miami 2: Wrong Number leans clearly harder on optimization.
Half-Life 2
Linear progression with no builds.
Hotline Miami 2: Wrong Number
Stricter routing through bigger open levels
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.