head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
Aiming at bloon waves while solving a tower-defense upgrade economy first-person.

Execution · Practiced Mastery
Car control under pursuit pressure plus memorising city routes mission by mission.
Apes vs Helium leans Execution (Practiced Mastery); Driver 2: Back on the Streets leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Apes vs Helium
An aimbot popping every bloon would trivialise the waves
Driver 2: Back on the Streets
Wrestling the car physics through chase missions is the test
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Apes vs Helium
Bloons follow fixed tracks, nothing adapts
Driver 2: Back on the Streets
Police AI follows fixed pursuit logic, not adaptation
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Apes vs Helium
Wave composition is learnable, little stays hidden
Driver 2: Back on the Streets
Traffic placement adds run-to-run noise in chases
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Apes vs Helium
Upgrade and class economy against known waves is solvable
Driver 2: Back on the Streets
Learning city layouts and mission routes carries completion
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.