head to head
Metroid: Zero MissionvsSonic Adventure 2
Metroid: Zero Mission leans Execution (Practiced Mastery); Sonic Adventure 2 leans Execution (Practiced Mastery).
Metroid: Zero MissionSonic Adventure 2
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads0 vs 1
Sonic Adventure 2 leans harder on reads: No adaptive opponent
Variance2 vs 2
Even - both lean on variance about the same.
Optimization6 vs 5
Metroid: Zero Mission leans harder on optimization: sequence breaks and route optimization are celebrated
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

