head to head
Resident Evil: The Mercenaries 3D 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
Tests precise shooting and route optimization in timed score-attack arenas.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); Resident Evil: The Mercenaries 3D leans Execution (Practiced Mastery).
Resident Evil: The Mercenaries 3D leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Resident Evil: The Mercenaries 3D
Headshot accuracy and melee-chain timing drive every score run
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
Resident Evil: The Mercenaries 3D
Enemy hordes spawn on fixed score-attack logic
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
Resident Evil: The Mercenaries 3D
Spawn mixes add slight run-to-run noise
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto: San Andreas
Stats, gym, weapon skill, and routes reward systematic play
Resident Evil: The Mercenaries 3D
Combo routes and time-bonus placement are deeply optimizable
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.