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.

Execution · Pure Mechanics
An asymmetric FPS with three interlocking campaigns as marine, alien, and predator on the same colony.

Execution · Pure Mechanics
Open-world racer where banking risky speedpoints against human cops drives the tension.
Aliens vs. Predator 2 leans Execution (Pure Mechanics); Need for Speed: Rivals leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Aliens vs. Predator 2
Wall-crawling aliens and panicked marines test raw aim
Need for Speed: Rivals
Open-road control with pursuit tech timing
Aliens vs. Predator 2 leans a little harder on reads, though the gap is small.
Aliens vs. Predator 2
Cross-species multiplayer rewards outguessing human opponents
Need for Speed: Rivals
AllDrive mixes human cops and racers in
Aliens vs. Predator 2 leans a little harder on variance, though the gap is small.
Aliens vs. Predator 2
Motion tracker pings and dark corridors conceal threats
Need for Speed: Rivals
Dynamic open-world encounters and weather
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Aliens vs. Predator 2
Species matchup knowledge and map control are learnable
Need for Speed: Rivals
Risk-versus-bank speedpoint economy
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.