head to head
vs
Heavy RainvsIron Lung
Heavy Rain leans Execution (Light / Casual); Iron Lung leans Variance (Light / Casual).
Heavy RainIron Lung
Axis by axis
Execution3 vs 2
Heavy Rain leans harder on execution: QTE prompts under tension
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 3
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.