head to head
Grand Theft Auto V asks more than BloodRayne 2, and the gap is reads.

Execution · Practiced Mastery
An action-hack-and-slash game centered on combo execution against scripted foes.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.
BloodRayne 2 leans Execution (Practiced Mastery); Grand Theft Auto V leans Execution (Practiced Mastery).
BloodRayne 2 leans a little harder on execution, though the gap is small.
BloodRayne 2
combo-based melee and dodge timing
Grand Theft Auto V
Driving and shooting demand decent inputs.
Grand Theft Auto V leans clearly harder on reads.
BloodRayne 2
enemies run fixed attack scripts
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Grand Theft Auto V leans a little harder on variance, though the gap is small.
BloodRayne 2
minor damage/drop randomness
Grand Theft Auto V
Some mission and lobby randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
BloodRayne 2
upgrade path and combo optimization
Grand Theft Auto V
Heists, money loops, builds learnable.
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.