head to head
Turbo Pug DX asks more than Half-Life 2, and the gap is variance.

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

Execution · Pure Mechanics
An endless runner testing quick reflexes against procedurally generated obstacles.
Half-Life 2 leans Execution (Pure Mechanics); Turbo Pug DX leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Half-Life 2
Gravity gun and shooting demand precision.
Turbo Pug DX
reflex timing for jumps and dodges
Half-Life 2 leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
Turbo Pug DX
no opponent, endless runner obstacles
Turbo Pug DX leans clearly harder on variance.
Half-Life 2
Almost no randomness.
Turbo Pug DX
procedurally generated obstacle patterns
Half-Life 2 leans a little harder on optimization, though the gap is small.
Half-Life 2
Linear progression with no builds.
Turbo Pug DX
minimal systems beyond survival length
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.