head to head
Arkanoid DS asks more than Half-Life 2, and the gap is execution.

Execution · Pure Mechanics
A block-breaker testing paddle precision and reaction against accelerating ball physics.

Execution · Pure Mechanics
Landmark FPS built on physics puzzles and tight gunplay.
Arkanoid DS leans Execution (Pure Mechanics); Half-Life 2 leans Execution (Pure Mechanics).
Arkanoid DS leans clearly harder on execution.
Arkanoid DS
Precise paddle control to keep the ball alive
Half-Life 2
Gravity gun and shooting demand precision.
Half-Life 2 leans a little harder on reads, though the gap is small.
Arkanoid DS
Solo block-breaker, no opponent to model
Half-Life 2
Combine AI scripted, non-adaptive.
Arkanoid DS leans clearly harder on variance.
Arkanoid DS
Power-up drops are randomized each play
Half-Life 2
Almost no randomness.
Arkanoid DS leans a little harder on optimization, though the gap is small.
Arkanoid DS
Brick-clearing order and angles reward planning
Half-Life 2
Linear progression with no builds.
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.