head to head
vs
LEGO BattlesvsOverlord
LEGO Battles leans Optimization (Pure Optimization); Overlord leans Optimization (Practiced Mastery).
LEGO BattlesOverlord
Axis by axis
Execution3 vs 4
Overlord leans harder on execution: Sweeping minion hordes takes modest dexterity
Reads3 vs 1
LEGO Battles leans harder on reads: Multiplayer skirmishes add light human prediction
Variance2 vs 1
LEGO Battles leans harder on variance: Map fog and treasure hunts hide modest information
Optimization6 vs 6
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.