head to head
Neon White 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
A precision movement game disguised as a card-action roguelite, decided almost purely by execution.
Half-Life 2 leans Execution (Pure Mechanics); Neon White leans Execution (Pure Mechanics).
Neon White leans clearly harder on execution.
Half-Life 2
Gravity gun and shooting demand precision.
Neon White
Card-discarding movement tech is the entire game at maximum precision
Half-Life 2 leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
Neon White
Solo time-trial levels; no opponent to read or predict
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Half-Life 2
Almost no randomness.
Neon White
Fixed levels with no randomness; entirely deterministic
Neon White leans clearly harder on optimization.
Half-Life 2
Linear progression with no builds.
Neon White
Route optimisation and card-discard sequencing form the depth layer
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.