head to head
The Typing of the Dead 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
House of the Dead rebuilt as a typing game where zombies die to fast accurate keystrokes.
Half-Life 2 leans Execution (Pure Mechanics); The Typing of the Dead leans Execution (Pure Mechanics).
The Typing of the Dead leans clearly harder on execution.
Half-Life 2
Gravity gun and shooting demand precision.
The Typing of the Dead
Raw typing speed and accuracy wins
Half-Life 2 leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
The Typing of the Dead
Zombies follow scripted spawns
The Typing of the Dead leans a little harder on variance, though the gap is small.
Half-Life 2
Almost no randomness.
The Typing of the Dead
Random word prompts per zombie
Half-Life 2 leans a little harder on optimization, though the gap is small.
Half-Life 2
Linear progression with no builds.
The Typing of the Dead
Spawn patterns and boss prompts memorisable
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.