head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Pure Mechanics
Landmark FPS built on physics puzzles and tight gunplay.

Execution · Pure Mechanics
An on-foot platform racer testing precise jumps and momentum on fixed tracks.
Half-Life 2 leans Execution (Pure Mechanics); Rayman Rush leans Execution (Pure Mechanics).
Rayman Rush leans a little harder on execution, though the gap is small.
Half-Life 2
Gravity gun and shooting demand precision.
Rayman Rush
On-foot racing needs precise jumps and momentum control
Rayman Rush leans a little harder on reads, though the gap is small.
Half-Life 2
Combine AI scripted, non-adaptive.
Rayman Rush
AI racers run scripted lines, minimal prediction
Rayman Rush leans a little harder on variance, though the gap is small.
Half-Life 2
Almost no randomness.
Rayman Rush
Track layouts fixed with little randomness
Rayman Rush leans a little harder on optimization, though the gap is small.
Half-Life 2
Linear progression with no builds.
Rayman Rush
Learning track shortcuts and lines aids placement
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.