head to head
vs
Castlevania: Aria of SorrowvsRappelz
Castlevania: Aria of Sorrow leans Optimization (Pure Optimization); Rappelz leans Optimization (Pure Optimization).
Castlevania: Aria of SorrowRappelz
Axis by axis
Execution4 vs 3
Castlevania: Aria of Sorrow leans harder on execution: Modest action timing
Reads1 vs 2
Rappelz leans harder on reads: Open PvP adds light human prediction at the margins
Variance3 vs 3
Even - both lean on variance about the same.
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.