head to head
vs
FactoriovsX3: Reunion
Factorio leans Optimization (Pure Optimization); X3: Reunion leans Optimization (Pure Optimization).
FactorioX3: Reunion
Axis by axis
Execution2 vs 2
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 2
X3: Reunion leans harder on variance: Market states are scripted-but-unknown until scouted
Optimization10 vs 9
Factorio leans harder on optimization: Throughput, ratios, and logistics are the entire game.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.