head to head
vs
Need for Speed UnboundvsSonic Rivals 2
Need for Speed Unbound leans Execution (Practiced Mastery); Sonic Rivals 2 leans Execution (Practiced Mastery).
Need for Speed UnboundSonic 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
Need for Speed Unbound leans harder on optimization: Car build, betting strategy, garage growth
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.