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 · Competitive PvP
Fast arena combat that tests combo execution and counter prediction against human opponents.

Execution · Competitive PvP
A competitive party platformer where placing obstacles to block others while surviving your own traps tests both execution and social prediction.
Dragon Ball Z: Budokai Tenkaichi 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.
Dragon Ball Z: Budokai Tenkaichi
Combo timing, dashes and beam clashes reward fast hands
Ultimate Chicken Horse
Precise platforming through player-built obstacle courses is the ceiling
Ultimate Chicken Horse leans a little harder on reads, though the gap is small.
Dragon Ball Z: Budokai Tenkaichi
Versus humans, predicting teleport counters and ki tactics matters
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.
Dragon Ball Z: Budokai Tenkaichi
Almost nothing random once movesets are known
Ultimate Chicken Horse
Block placement creates novel layouts each round
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball Z: Budokai Tenkaichi
Character matchups and attribute builds are learnable systems
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.