head to head
vs
Civilization VvsOxygen Not Included
Civilization V leans Optimization (Pure Optimization); Oxygen Not Included leans Optimization (Pure Optimization).
Civilization VOxygen Not Included
Axis by axis
Execution2 vs 1
Civilization V leans harder on execution: UI actions need no precision; speed is not a factor
Reads2 vs 0
Civilization V leans harder on reads: AI follows scripted personalities, not genuine player modelling
Variance5 vs 5
Even - both lean on variance about the same.
Optimization9 vs 10
Oxygen Not Included leans harder on optimization: Gas, liquid, and power engineering are essentially a solvable engineering puzzle
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.