head to head
Super Stardust Ultra 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
Tests twin-stick reflexes and threat triage under relentless arcade pressure.
Half-Life 2 leans Execution (Pure Mechanics); Super Stardust Ultra leans Execution (Pure Mechanics).
Super Stardust Ultra leans clearly harder on execution.
Half-Life 2
Gravity gun and shooting demand precision.
Super Stardust Ultra
Twin-stick dodging through dense asteroid fields is everything
Half-Life 2 leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
Super Stardust Ultra
Waves are spawned patterns, not adaptive opponents
Super Stardust Ultra leans a little harder on variance, though the gap is small.
Half-Life 2
Almost no randomness.
Super Stardust Ultra
Spawn timing varies slightly but is quickly familiar
Super Stardust Ultra leans a little harder on optimization, though the gap is small.
Half-Life 2
Linear progression with no builds.
Super Stardust Ultra
Weapon choice and multiplier management refine scores
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.