head to head
vs
Sonic RidersvsSonic Rivals 2
Sonic Riders leans Execution (Practiced Mastery); Sonic Rivals 2 leans Execution (Practiced Mastery).
Sonic RidersSonic Rivals 2
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads2 vs 2
Even - both lean on reads about the same.
Variance2 vs 3
Sonic Rivals 2 leans harder on variance: item pickups and card randomness
Optimization5 vs 4
Sonic Riders leans harder on optimization: Gear choice and shortcut routes reward track study
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.