head to head
Puyo Puyo Tetris 2 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 competitive puzzle mashup combining Puyo Puyo chains with Tetris stacking.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); Puyo Puyo Tetris 2 leans Execution (Practiced Mastery).
Puyo Puyo Tetris 2 leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Puyo Puyo Tetris 2
fast precise piece placement under pressure
Puyo Puyo Tetris 2 leans clearly harder on reads.
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
Puyo Puyo Tetris 2
human opponents bait garbage and timing
Puyo Puyo Tetris 2 leans clearly harder on variance.
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
Puyo Puyo Tetris 2
piece/bean randomization each match
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
Puyo Puyo Tetris 2
chain-building and stacking theory 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.