head to head
Arkham Horror: Mother's EmbracevsThe Banner Saga
Arkham Horror: Mother's Embrace leans Optimization (Systems & Chaos); The Banner Saga leans Optimization (Systems & Chaos).
Arkham Horror: Mother's EmbraceThe Banner Saga
Axis by axis
Execution1 vs 2
The Banner Saga leans harder on execution: Turn-based; willpower spend timing is the sole execution nuance
Reads1 vs 1
Even - both lean on reads about the same.
Variance6 vs 5
Arkham Horror: Mother's Embrace leans harder on variance: Dice-driven combat and hidden mystery elements
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.

