head to head
Super Stardust HD 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
PS3 twin-stick shooter wrapping planets in asteroid storms and chained multipliers.
Half-Life 2 leans Execution (Pure Mechanics); Super Stardust HD leans Execution (Pure Mechanics).
Super Stardust HD leans clearly harder on execution.
Half-Life 2
Gravity gun and shooting demand precision.
Super Stardust HD
Twin-stick precision amid screen-filling asteroid chaos
Half-Life 2 leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
Super Stardust HD
Spawns follow fixed logic, no adaptation
Super Stardust HD leans a little harder on variance, though the gap is small.
Half-Life 2
Almost no randomness.
Super Stardust HD
Spawn positions vary modestly per run
Super Stardust HD leans a little harder on optimization, though the gap is small.
Half-Life 2
Linear progression with no builds.
Super Stardust HD
Weapon matching and multiplier preservation reward strategy
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.