head to head
Mario + Rabbids Kingdom BattlevsPokémon Diamond Version
Mario + Rabbids Kingdom Battle leans Optimization (Pure Optimization); Pokémon Diamond Version leans Optimization (Pure Optimization).
Mario + Rabbids Kingdom BattlePokémon Diamond Version
Axis by axis
Execution1 vs 0
Mario + Rabbids Kingdom Battle leans harder on execution: Turn-based; no dexterity gate
Reads0 vs 1
Pokémon Diamond Version leans harder on reads: Scripted trainers never adapt; online battles are optional
Variance3 vs 3
Even - both lean on variance about the same.
Optimization8 vs 8
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.

