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.

Execution · Competitive PvP
A platform fighter built on tight inputs and dodge-read mind games.

Reads · Competitive PvP
The 2011 reboot that returned Mortal Kombat to brutal 2D fighting fundamentals.
Brawlhalla leans Execution (Competitive PvP); Mortal Kombat leans Reads (Competitive PvP).
Brawlhalla leans a little harder on execution, though the gap is small.
Brawlhalla
Frame-tight inputs and recoveries decide stocks.
Mortal Kombat
Combo execution and punish timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Brawlhalla
Adaptive opponents bait dodges and reads constantly.
Mortal Kombat
Human opponents adapt; conditioning and counter-guessing rule
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Brawlhalla
Weapon spawns add minor randomness.
Mortal Kombat
Near-deterministic systems
Mortal Kombat leans a little harder on optimization, though the gap is small.
Brawlhalla
Matchup knowledge and stage control are learnable.
Mortal Kombat
Frame data and matchup study converge to known answers
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.