head to head
Aliens versus Predator (1999)vsMario Kart 64
Aliens versus Predator (1999) leans Execution (Pure Mechanics); Mario Kart 64 leans Execution (Twitch Chaos).
Aliens versus Predator (1999)Mario Kart 64
Axis by axis
Execution7 vs 6
Aliens versus Predator (1999) leans harder on execution: Fast aliens and panicked aim demand twitch reflexes
Reads3 vs 3
Even - both lean on reads about the same.
Variance4 vs 5
Mario Kart 64 leans harder on variance: Item draws swing every race
Optimization4 vs 4
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

