head to head
vs
Five Nights at Freddy's 4vsUnderMine
Five Nights at Freddy's 4 leans Variance (Systems & Chaos); UnderMine leans Optimization (Systems & Chaos).
Five Nights at Freddy's 4UnderMine
Axis by axis
Execution4 vs 5
UnderMine leans harder on execution: Pickaxe-throw combat and dodging in real time
Reads0 vs 0
Even - both lean on reads about the same.
Variance6 vs 6
Even - both lean on variance about the same.
Optimization6 vs 7
UnderMine leans harder on optimization: Relic synergies and permanent meta upgrades compound
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.