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 · Competitive PvP
The pioneering large-scale WWII shooter built on combined-arms map chaos.

Execution · Pure Mechanics
A fast arcade FPS whose skill test is twitch aim plus couch-rival prediction.
Battlefield 1942 leans Execution (Competitive PvP); TimeSplitters leans Execution (Pure Mechanics).
TimeSplitters leans a little harder on execution, though the gap is small.
Battlefield 1942
Aim, vehicle handling, and leading shots matter.
TimeSplitters
Fast arcade gunplay rewards twitch aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield 1942
Human teams adapt flanks and vehicle pushes.
TimeSplitters
Local multiplayer adds human guessing; bots do not adapt
Battlefield 1942 leans a little harder on variance, though the gap is small.
Battlefield 1942
64-player chaos and spawns add noise.
TimeSplitters
Spawn and pickup timing add mild uncertainty
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield 1942
Map control and vehicle timing learnable.
TimeSplitters
Challenge times and map control are learnable
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.