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
Supercell's snappy top-down team brawler built around three-minute objective fights.

Execution · Practiced Mastery
A basketball sim balancing input timing, opponent reads, and team management.
Brawl Stars leans Execution (Competitive PvP); NBA 2K7 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Brawl Stars
Aim, dodging, and ability timing in real time
NBA 2K7
Stick controls for shooting and dribbling demand timing
Brawl Stars leans a little harder on reads, though the gap is small.
Brawl Stars
Human teams rotate, bait supers, and adapt
NBA 2K7
Human opponents online require reading offense and defense
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Brawl Stars
Bush ambushes and power-cube spawns hide information
NBA 2K7
Shot percentages and physics add real-game randomness
NBA 2K7 leans a little harder on optimization, though the gap is small.
Brawl Stars
Brawler matchups and map strategy are learnable
NBA 2K7
Roster management, play-calling and franchise economy run deep
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.