head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Optimization · Practiced Mastery
The genre-defining 3D open-world crime game set in Liberty City.

Optimization · Practiced Mastery
A tap-to-shoot defense game balancing aim with weapon upgrade choices.
Grand Theft Auto III leans Optimization (Practiced Mastery); Swamp Attack leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto III
Driving and clunky gunplay set a modest physical bar
Swamp Attack
Tap-aiming at incoming enemies needs modest timing
Swamp Attack leans a little harder on reads, though the gap is small.
Grand Theft Auto III
Enemies are scripted; nothing models the player
Swamp Attack
Waves are scripted, no adaptive opponent
Swamp Attack leans a little harder on variance, though the gap is small.
Grand Theft Auto III
Pedestrian and traffic chaos lightly randomises encounters
Swamp Attack
Enemy spawn mix adds some randomness across waves
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto III
Mission routing and city knowledge are learnable systems
Swamp Attack
Weapon and upgrade choices shape wave survival
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.