head to head
System Shock (1994) asks more than Grand Theft Auto: San Andreas, and the gap is execution.

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

Optimization · Practiced Mastery
A complex immersive sim that rewards meticulous resource management and environmental puzzle solving over raw shooting skill.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); System Shock (1994) leans Optimization (Practiced Mastery).
System Shock (1994) leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
System Shock (1994)
Moderate aim demands with stamina and leaning mechanics as execution layer
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
System Shock (1994)
All enemies are scripted cyborgs and mutants with no adaptation
System Shock (1994) leans clearly harder on variance.
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
System Shock (1994)
SHODAN camera placement and event triggers are opaque until mapped
System Shock (1994) leans clearly harder on optimization.
Grand Theft Auto: San Andreas
Stats, gym, weapon skill, and routes reward systematic play
System Shock (1994)
Hacking, resource management, and log routing form deep solvable systems
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.