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

Reads · Pure Mind Games
An asymmetric hide-and-seek multiplayer game built on predicting human hiders and hunters.

Reads · Competitive PvP
The Wii entry whose slower pace and infamous random tripping pushed Smash toward defensive mind games.
Midnight Ghost Hunt leans Reads (Pure Mind Games); Super Smash Bros. Brawl leans Reads (Competitive PvP).
Super Smash Bros. Brawl leans a little harder on execution, though the gap is small.
Midnight Ghost Hunt
Shooting and chasing need moderate aim
Super Smash Bros. Brawl
Slower engine lowers the ceiling but spacing still needs hands.
Midnight Ghost Hunt leans a little harder on reads, though the gap is small.
Midnight Ghost Hunt
Hide-and-seek versus humans is constant mutual prediction
Super Smash Bros. Brawl
Defensive bait-and-punish yomi dominates its floaty neutral.
Midnight Ghost Hunt leans a little harder on variance, though the gap is small.
Midnight Ghost Hunt
Possessable object hiding spots add hidden information
Super Smash Bros. Brawl
Random tripping injects genuine uncontrollable RNG into movement.
Super Smash Bros. Brawl leans a little harder on optimization, though the gap is small.
Midnight Ghost Hunt
Map knowledge and ability use reward some planning
Super Smash Bros. Brawl
Matchup knowledge and ledge play reward study within a campy meta.
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.