head to head
Ski Safari 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 skiing runner testing reactive jump timing down a slope.
Half-Life 2 leans Execution (Pure Mechanics); Ski Safari leans Execution (Pure Mechanics).
Ski Safari leans a little harder on execution, though the gap is small.
Half-Life 2
Gravity gun and shooting demand precision.
Ski Safari
Tap timing for jumps and mounts drives distance
Half-Life 2 leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
Ski Safari
Solo - no opponent to predict
Ski Safari leans clearly harder on variance.
Half-Life 2
Almost no randomness.
Ski Safari
Avalanche and terrain spawns randomized each run
Ski Safari leans a little harder on optimization, though the gap is small.
Half-Life 2
Linear progression with no builds.
Ski Safari
Animal-mount switching strategy extends runs modestly
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.