head to head
Grand Theft Auto V asks more than Shadow the Hedgehog, and the gap is reads.

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

Execution · Practiced Mastery
Loose action platforming with branching mission routes to optimise for endings.
Grand Theft Auto V leans Execution (Practiced Mastery); Shadow the Hedgehog 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.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Shadow the Hedgehog
Platforming and gunplay control, loose but central
Grand Theft Auto V leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Shadow the Hedgehog
Enemies are scripted regardless of faction choice
Grand Theft Auto V leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
Shadow the Hedgehog
Mission branches are player-chosen, not random
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.
Shadow the Hedgehog
Routing mission paths for endings and ranks is the meta
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.