head to head
All Zombies Must Die! asks more than Grand Theft Auto: San Andreas, and the gap is execution.

Execution · Practiced Mastery
A twin-stick shooter testing aim and crowd control against zombie hordes.

Optimization · Practiced Mastery
A sprawling open-world crime epic with RPG-style character stats across a whole state.
All Zombies Must Die! leans Execution (Practiced Mastery); Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery).
All Zombies Must Die! leans clearly harder on execution.
All Zombies Must Die!
Twin-stick aiming and dodging hordes is the core skill
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
All Zombies Must Die! leans a little harder on reads, though the gap is small.
All Zombies Must Die!
Zombies swarm on fixed AI, nothing to out-predict
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
All Zombies Must Die! leans a little harder on variance, though the gap is small.
All Zombies Must Die!
Drops and modifiers add some randomness
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
Grand Theft Auto: San Andreas leans a little harder on optimization, though the gap is small.
All Zombies Must Die!
Crafting weapons and quest routing builds power over time
Grand Theft Auto: San Andreas
Stats, gym, weapon skill, and routes reward systematic play
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.