head to head
vs
Alien: IsolationvsReigns
Alien: Isolation leans Variance (Systems & Chaos); Reigns leans Variance (Systems & Chaos).
Alien: IsolationReigns
Axis by axis
Execution3 vs 1
Alien: Isolation leans harder on execution: Stealth movement, low mechanical bar
Reads2 vs 2
Even - both lean on reads about the same.
Variance7 vs 7
Even - both lean on variance about the same.
Optimization5 vs 5
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.