head to head
Rugby 08 asks more than Grand Theft Auto V, and the gap is reads.

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

Execution · Practiced Mastery
A rugby sim testing on-field execution and tactical play-calling.
Grand Theft Auto V leans Execution (Practiced Mastery); Rugby 08 leans Execution (Practiced Mastery).
Rugby 08 leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Rugby 08
Timing tackles, passes and kicks needs manual skill
Rugby 08 leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Rugby 08
Human opponents bluff plays; AI is scripted
Rugby 08 leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
Rugby 08
Some randomness in tackle and bounce outcomes
Rugby 08 leans a little harder on optimization, though the gap is small.
Grand Theft Auto V
Heists, money loops, builds learnable.
Rugby 08
Play calling and team tactics are a learnable layer
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.