head to head
Puyo Puyo! 15th Anniversary asks more than Grand Theft Auto V, and the gap is optimization.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.

Execution · Practiced Mastery
A competitive falling-blob puzzler about chaining combos faster than your opponent.
Grand Theft Auto V leans Execution (Practiced Mastery); Puyo Puyo! 15th Anniversary leans Execution (Practiced Mastery).
Puyo Puyo! 15th Anniversary leans clearly harder on execution.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Puyo Puyo! 15th Anniversary
Fast blob placement under pressure demands quick hands
Puyo Puyo! 15th Anniversary leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Puyo Puyo! 15th Anniversary
Versus play rewards reading opponent chain timing and counters
Puyo Puyo! 15th Anniversary leans clearly harder on variance.
Grand Theft Auto V
Some mission and lobby randomness.
Puyo Puyo! 15th Anniversary
Next-piece queue is random but bounded and visible
Puyo Puyo! 15th Anniversary leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
Puyo Puyo! 15th Anniversary
Building large chains is a learnable scoring system
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.