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

Optimization · Practiced Mastery
A sprawling open-world crime epic with RPG-style character stats across a whole state.

Execution · Practiced Mastery
A rugby sim testing on-field execution and tactical play-calling.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); Rugby 08 leans Execution (Practiced Mastery).
Rugby 08 leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Rugby 08
Timing tackles, passes and kicks needs manual skill
Rugby 08 leans clearly harder on reads.
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
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: San Andreas
Territory wars and traffic add light randomness
Rugby 08
Some randomness in tackle and bounce outcomes
Grand Theft Auto: San Andreas leans a little harder on optimization, though the gap is small.
Grand Theft Auto: San Andreas
Stats, gym, weapon skill, and routes reward systematic play
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.