head to head
Grand Theft Auto V asks more than New Super Mario Bros., and the gap is reads.

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

Execution · Practiced Mastery
Modern 2D Mario platformer built on classic jump precision and hidden exits.
Grand Theft Auto V leans Execution (Practiced Mastery); New Super Mario Bros. leans Execution (Practiced Mastery).
New Super Mario Bros. leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
New Super Mario Bros.
Jump timing and momentum control carry every level
Grand Theft Auto V leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
New Super Mario Bros.
Enemies follow fixed scripted patterns
Grand Theft Auto V leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
New Super Mario Bros.
Levels fully deterministic once seen
New Super Mario Bros. leans a little harder on optimization, though the gap is small.
Grand Theft Auto V
Heists, money loops, builds learnable.
New Super Mario Bros.
Secret exits, star coins, and route knowledge
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.