head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Competitive PvP
Supercell's snappy top-down team brawler built around three-minute objective fights.

Execution · Competitive PvP
A wrestling game testing grapple timing and reversal prediction against opponents.
Brawl Stars leans Execution (Competitive PvP); WWE Day of Reckoning 2 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.
Brawl Stars
Aim, dodging, and ability timing in real time
WWE Day of Reckoning 2
Grapple and reversal timing windows demand precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Brawl Stars
Human teams rotate, bait supers, and adapt
WWE Day of Reckoning 2
Versus humans, predicting strikes and reversals is constant
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Brawl Stars
Bush ambushes and power-cube spawns hide information
WWE Day of Reckoning 2
Reversal and pin outcomes carry some randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Brawl Stars
Brawler matchups and map strategy are learnable
WWE Day of Reckoning 2
Move-set knowledge and stamina management 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.