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

Execution · Competitive PvP
Movement-heavy shooting where map control and reading enemy pushes decide matches.

Execution · Competitive PvP
A competitive party platformer where placing obstacles to block others while surviving your own traps tests both execution and social prediction.
Splatoon 3 leans Execution (Competitive PvP); Ultimate Chicken Horse 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.
Splatoon 3
Aim, squid movement and ink mobility decide engagements
Ultimate Chicken Horse
Precise platforming through player-built obstacle courses is the ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Splatoon 3
Turf and ranked battles hinge on predicting adapting human squads
Ultimate Chicken Horse
Predicting what obstacles opponents will place is genuine social reads
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Splatoon 3
Matchmaking and special timing add modest noise
Ultimate Chicken Horse
Block placement creates novel layouts each round
Splatoon 3 leans a little harder on optimization, though the gap is small.
Splatoon 3
Gear builds, weapon kits and map control patterns are studied
Ultimate Chicken Horse
Optimal obstacle placement strategies are learnable over sessions
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.