head to head
Z1 Battle Royale asks more than FIFA 21, and the gap is variance.

Execution · Competitive PvP
Football sim testing execution and opponent reading under a studied tactical meta.

Execution · Grand Arena
An early battle royale shooter where dozens of players loot, drive, and shoot to be the last one standing.
FIFA 21 leans Execution (Competitive PvP); Z1 Battle Royale leans Execution (Grand Arena).
Z1 Battle Royale leans a little harder on execution, though the gap is small.
FIFA 21
Skill moves and finishing mechanics demand practiced hands
Z1 Battle Royale
Gunplay, bullet drop, and car control under pressure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA 21
Outguessing a human's defensive shape and attacking patterns is central
Z1 Battle Royale
Human opponents rotate, bait, and adapt to you
Z1 Battle Royale leans clearly harder on variance.
FIFA 21
Deflections, finishing RNG and pack luck colour outcomes
Z1 Battle Royale
Loot spawns, drop locations, and gas circles
FIFA 21 leans a little harder on optimization, though the gap is small.
FIFA 21
Meta formations, custom tactics and squad building are studied deeply
Z1 Battle Royale
Loadout and rotation strategy is a thinner layer
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.