head to head
Grand Theft Auto V asks more than Teenage Mutant Ninja Turtles II: The Arcade Game, and the gap is reads.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.

Execution · Practiced Mastery
Arcade brawler positioning and stamina against memorisable enemy waves.
Grand Theft Auto V leans Execution (Practiced Mastery); Teenage Mutant Ninja Turtles II: The Arcade Game leans Execution (Practiced Mastery).
Teenage Mutant Ninja Turtles II: The Arcade Game leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Teenage Mutant Ninja Turtles II: The Arcade Game
Crowd control timing and positioning under constant pressure
Grand Theft Auto V leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Teenage Mutant Ninja Turtles II: The Arcade Game
Foot Clan waves are quarter-munching scripts
Grand Theft Auto V leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
Teenage Mutant Ninja Turtles II: The Arcade Game
Spawns are fixed and memorisable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto V
Heists, money loops, builds learnable.
Teenage Mutant Ninja Turtles II: The Arcade Game
Learning safe spots and boss patterns is the progression
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.