head to head
Neither is simply harder - they are hard in different places. Grand Theft Auto V demands more reads; Gunfire Reborn demands more variance.

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

Execution · Practiced Mastery
A first-person roguelite shooter where aiming skill and inscription synergy optimisation both carry weight.
Grand Theft Auto V leans Execution (Practiced Mastery); Gunfire Reborn leans Execution (Practiced Mastery).
Gunfire Reborn leans clearly harder on execution.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Gunfire Reborn
First-person shooting demands real aim and combat positioning skills
Grand Theft Auto V leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Gunfire Reborn
Enemy AI is scripted; no adaptive human opponent
Gunfire Reborn leans clearly harder on variance.
Grand Theft Auto V
Some mission and lobby randomness.
Gunfire Reborn
Weapon inscriptions and scroll drops vary each run's power significantly
Gunfire Reborn leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
Gunfire Reborn
Synergising weapon inscriptions with character ascensions rewards deep knowledge
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.