head to head
Desperados III asks more than Grand Theft Auto V, and the gap is optimization.

Optimization · Practiced Mastery
Choreographing simultaneous character abilities with precise timing to solve intricate stealth puzzles.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.
Desperados III leans Optimization (Practiced Mastery); Grand Theft Auto V leans Execution (Practiced Mastery).
Desperados III leans a little harder on execution, though the gap is small.
Desperados III
Simultaneous pause-and-execute actions demand precise timing coordination
Grand Theft Auto V
Driving and shooting demand decent inputs.
Grand Theft Auto V leans a little harder on reads, though the gap is small.
Desperados III
Enemy patrols are fully scripted; no adaptive opposition
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Desperados III leans a little harder on variance, though the gap is small.
Desperados III
Guard patrol overlap creates some hidden-state uncertainty early on
Grand Theft Auto V
Some mission and lobby randomness.
Desperados III leans clearly harder on optimization.
Desperados III
Finding the ideal simultaneous action sequence per map is the core puzzle
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.