head to head
Titan Souls asks more than Grand Theft Auto V, and the gap is execution.

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

Execution · Practiced Mastery
A one-hit boss-rush where solving each titan still demands perfect execution.
Grand Theft Auto V leans Execution (Practiced Mastery); Titan Souls leans Execution (Practiced Mastery).
Titan Souls leans clearly harder on execution.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Titan Souls
One arrow, one hit point; every shot must be perfect
Grand Theft Auto V leans a little harder on reads, though the gap is small.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Titan Souls
Bosses are scripted patterns, not adaptive minds
Grand Theft Auto V leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
Titan Souls
Unknown boss gimmicks only on first attempts
Titan Souls leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
Titan Souls
Each titan has a solvable weak-point strategy
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.