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
A hero battle royale where teamwork and aim against human opponents decides fights.

Execution · Grand Arena
A football sim testing stick execution, play-call reads, and playbook optimisation against opponents.
My Hero Ultra Rumble leans Execution (Competitive PvP); NFL 2K1 leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
My Hero Ultra Rumble
aim and combo timing in battles
NFL 2K1
Precise stick control on passes and jukes matters
NFL 2K1 leans a little harder on reads, though the gap is small.
My Hero Ultra Rumble
predicting human opponent tactics
NFL 2K1
Reading a human opponent's play-calls is central
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
My Hero Ultra Rumble
item and loot drops are random
NFL 2K1
Fumbles and catch outcomes add measured chaos
NFL 2K1 leans a little harder on optimization, though the gap is small.
My Hero Ultra Rumble
team comps and loadouts solvable
NFL 2K1
Playbook knowledge and matchup exploitation reward study
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.