head to head
vs
Iron LungvsOutlast
Iron Lung leans Variance (Light / Casual); Outlast leans Execution (Light / Casual).
Iron LungOutlast
Axis by axis
Execution2 vs 3
Outlast leans harder on execution: Running, hiding, and camera use.
Reads0 vs 0
Even - both lean on reads about the same.
Variance3 vs 2
Iron Lung leans harder on variance: Blind navigation; you see only camera snapshots
Optimization3 vs 3
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.