head to head
Karate Master 2 Knock Down Blow 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
A martial arts career simulation and fighting game.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); Karate Master 2 Knock Down Blow leans Execution (Practiced Mastery).
Karate Master 2 Knock Down Blow leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Karate Master 2 Knock Down Blow
fighting mechanics need timing and reaction
Karate Master 2 Knock Down Blow leans clearly harder on reads.
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
Karate Master 2 Knock Down Blow
AI opponents follow fixed patterns, minor adaptation
Karate Master 2 Knock Down Blow leans a little harder on variance, though the gap is small.
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
Karate Master 2 Knock Down Blow
match outcomes have some randomness
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
Karate Master 2 Knock Down Blow
career training and build optimization matters
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.