head to head
vs
Bust-a-Move DSvsDoom II: Hell on Earth
Bust-a-Move DS leans Execution (Practiced Mastery); Doom II: Hell on Earth leans Execution (Pure Mechanics).
Bust-a-Move DSDoom II: Hell on Earth
Axis by axis
Execution7 vs 8
Doom II: Hell on Earth leans harder on execution: Super Shotgun and movement timing demand precise motor execution
Reads2 vs 0
Bust-a-Move DS leans harder on reads: Versus mode adds light anticipation of opponent
Variance4 vs 3
Bust-a-Move DS leans harder on variance: Upcoming bubble colors are random but quickly mapped
Optimization5 vs 5
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.