head to head
Grand Theft Auto V asks more than Sonic the Hedgehog (2006), and the gap is reads.

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

Execution · Practiced Mastery
The infamous, glitch-ridden 2006 Sonic reboot where the physics are the real boss.
Grand Theft Auto V leans Execution (Practiced Mastery); Sonic the Hedgehog (2006) leans Execution (Practiced Mastery).
Sonic the Hedgehog (2006) leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Sonic the Hedgehog (2006)
Fighting unreliable physics demands constant correction
Grand Theft Auto V leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Sonic the Hedgehog (2006)
No adaptive opposition
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto V
Some mission and lobby randomness.
Sonic the Hedgehog (2006)
Bugs make outcomes partly unpredictable
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.
Sonic the Hedgehog (2006)
Learning which routes the jank permits
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.