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

Execution · Twitch Chaos
A scarcity-driven aim test under randomised objectives and spawns.

Execution · Competitive PvP
Accessible large-scale shooting with light prediction against human players.
Contagion leans Execution (Twitch Chaos); Star Wars Battlefront leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Contagion
Deliberate aim with scarce ammo decides zombie encounters
Star Wars Battlefront
Aimbot dominates blaster fights despite generous hitboxes
Star Wars Battlefront leans a little harder on reads, though the gap is small.
Contagion
Hunted mode pits humans against humans; zombies are mindless
Star Wars Battlefront
Human lobbies add modest positional prediction
Contagion leans a little harder on variance, though the gap is small.
Contagion
Randomised objectives, spawns and routes reshape every round
Star Wars Battlefront
Power-up pickups and spawn flow inject chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Contagion
Resource discipline and map knowledge carry survival
Star Wars Battlefront
Objective timing and pickup control reward learned routes
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.