head to head
Shadows of the Damned 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.
Execution · Practiced Mastery
Aiming under pressure while learning fixed demon patterns and light-versus-dark puzzle rules.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); Shadows of the Damned leans Execution (Practiced Mastery).
Shadows of the Damned leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Shadows of the Damned
Third-person aim and dodge timing carry every demon fight
Shadows of the Damned leans a little harder on reads, though the gap is small.
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
Shadows of the Damned
Demons and bosses run fixed patterns, nothing adapts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
Shadows of the Damned
Encounters are scripted; little randomness once seen
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
Shadows of the Damned
Learning boss patterns and light-dark mechanics solves each fight
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.