head to head
vs
Eliminator Boat DuelvsRock n' Roll Racing
Eliminator Boat Duel leans Execution (Pure Mechanics); Rock n' Roll Racing leans Execution (Practiced Mastery).
Eliminator Boat DuelRock n' Roll Racing
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads0 vs 1
Rock n' Roll Racing leans harder on reads: Two-player duels add slight prediction; AI is scripted.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization4 vs 5
Rock n' Roll Racing leans harder on optimization: Upgrade purchases and planet-by-planet earnings are plannable.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.