head to head
Neither is simply harder - they are hard in different places. Blood on the Clocktower demands more reads; Pokémon Battle Revolution demands more optimization.

Reads · Pure Mind Games
Reading human liars while solving a logic puzzle built on hidden roles.

Reads · Mind & Math
Predicting a human trainer's switches atop team-building math and damage rolls.
Blood on the Clocktower leans Reads (Pure Mind Games); Pokémon Battle Revolution leans Reads (Mind & Math).
Pokémon Battle Revolution leans a little harder on execution, though the gap is small.
Blood on the Clocktower
Talking takes no physical skill
Pokémon Battle Revolution
Turn-based menu selection requires no dexterity
Blood on the Clocktower leans clearly harder on reads.
Blood on the Clocktower
Detecting human lies and modelling bluffers is the whole game
Pokémon Battle Revolution
Wi-Fi battles hinge on predicting switches and protects
Blood on the Clocktower leans clearly harder on variance.
Blood on the Clocktower
Hidden roles and storyteller setup drive every game's information
Pokémon Battle Revolution
Damage rolls, crits and status procs sway turns
Pokémon Battle Revolution leans clearly harder on optimization.
Blood on the Clocktower
Role interactions and logic chains reward systematic deduction
Pokémon Battle Revolution
Team building and type-matchup math underpin every battle
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.