head to head
vs
Mario Kart DSvsPuyo Puyo Fever 2
Mario Kart DS leans Execution (Pure Mechanics); Puyo Puyo Fever 2 leans Execution (Practiced Mastery).
Mario Kart DSPuyo Puyo Fever 2
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads3 vs 3
Even - both lean on reads about the same.
Variance4 vs 3
Mario Kart DS leans harder on variance: Item RNG decides tight finishes
Optimization5 vs 6
Puyo Puyo Fever 2 leans harder on optimization: Chain patterns have known optimal building techniques
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.