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

Execution · Pure Mechanics
A late-90s mercenary FPS infamous for its graphic locational damage system.

Execution · Pure Mechanics
Kart drift control and track knowledge with item luck shaking up placements.
Soldier of Fortune leans Execution (Pure Mechanics); SuperTuxKart leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Soldier of Fortune
Fast twitch aim against fragile enemies decides everything
SuperTuxKart
Drift control and line holding decide races
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Soldier of Fortune
Multiplayer duels add a little human prediction
SuperTuxKart
Human online races reward mild item mind-games
SuperTuxKart leans a little harder on variance, though the gap is small.
Soldier of Fortune
Campaign layouts and spawns are fixed
SuperTuxKart
Item box rolls shake up placements
Soldier of Fortune leans a little harder on optimization, though the gap is small.
Soldier of Fortune
Weapon choice and level routes are quickly learned
SuperTuxKart
Track shortcuts and kart choice reward study
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.