head to head
vs
Boom BloxvsDeltarune
Boom Blox leans Optimization (Practiced Mastery); Deltarune leans Execution (Practiced Mastery).
Boom BloxDeltarune
Axis by axis
Execution4 vs 5
Deltarune leans harder on execution: Bullet-hell dodging in battles demands real reflexes
Reads1 vs 0
Boom Blox leans harder on reads: Party multiplayer adds light human interference
Variance2 vs 1
Boom Blox leans harder on variance: Physics tumbles add mild unpredictability
Optimization6 vs 5
Boom Blox leans harder on optimization: Finding the optimal block to pull is the real test
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.