head to head
Tom Clancy's Rainbow Six Extraction asks more than Grand Theft Auto: San Andreas, and the gap is variance.

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

Execution · Practiced Mastery
Co-op incursions balancing careful gunplay against randomised objectives and extraction risk.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); Tom Clancy's Rainbow Six Extraction leans Execution (Practiced Mastery).
Tom Clancy's Rainbow Six Extraction leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Tom Clancy's Rainbow Six Extraction
Precise shooting and stealth movement keep squads alive
Tom Clancy's Rainbow Six Extraction leans a little harder on reads, though the gap is small.
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
Tom Clancy's Rainbow Six Extraction
Alien archaeans run on scripted-random behaviour, not minds
Tom Clancy's Rainbow Six Extraction leans clearly harder on variance.
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
Tom Clancy's Rainbow Six Extraction
Mutating zones and randomised objectives hide each incursion's shape
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
Tom Clancy's Rainbow Six Extraction
Operator loadouts and risk-versus-extract decisions reward system mastery
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.