head to head
Rocket League asks more than Ultimate Chicken Horse, and the gap is execution.

Execution · Pure Mechanics
Mechanical car-soccer where execution is the ceiling.

Execution · Competitive PvP
A competitive party platformer where placing obstacles to block others while surviving your own traps tests both execution and social prediction.
Rocket League leans Execution (Pure Mechanics); Ultimate Chicken Horse leans Execution (Competitive PvP).
Rocket League leans clearly harder on execution.
Rocket League
Aerials, flicks, dribbles, pure mechanical ceiling
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.
Rocket League
Rotations and 50-50 reads against humans
Ultimate Chicken Horse
Predicting what obstacles opponents will place is genuine social reads
Ultimate Chicken Horse leans a little harder on variance, though the gap is small.
Rocket League
Almost deterministic physics
Ultimate Chicken Horse
Block placement creates novel layouts each round
Ultimate Chicken Horse leans a little harder on optimization, though the gap is small.
Rocket League
Training routines, rotation theory
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.