head to head
vs
Mario Kart DSvsPuyo Puyo Tetris
Mario Kart DS leans Execution (Pure Mechanics); Puyo Puyo Tetris leans Execution (Practiced Mastery).
Mario Kart DSPuyo Puyo Tetris
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads3 vs 4
Puyo Puyo Tetris leans harder on reads: Timing garbage against a human opponent's board state rewards prediction
Variance4 vs 3
Mario Kart DS leans harder on variance: Item RNG decides tight finishes
Optimization5 vs 6
Puyo Puyo Tetris leans harder on optimization: Chain construction and stacking theory are deeply studied
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.