head to head
vs
X-COM: UFO DefensevsXenonauts
X-COM: UFO Defense leans Optimization (Systems & Chaos); Xenonauts leans Optimization (Pure Optimization).
X-COM: UFO DefenseXenonauts
Axis by axis
Execution1 vs 0
X-COM: UFO Defense leans harder on execution: Turn-based; only inventory clicking
Reads0 vs 0
Even - both lean on reads about the same.
Variance6 vs 6
Even - both lean on variance about the same.
Optimization8 vs 9
Xenonauts leans harder on optimization: Air war, economy and squad doctrine decide campaigns.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.