head to head
vs
Fallout 3vsFinal Fantasy XI Online
Fallout 3 leans Optimization (Pure Optimization); Final Fantasy XI Online leans Optimization (Pure Optimization).
Fallout 3Final Fantasy XI Online
Axis by axis
Execution3 vs 2
Fallout 3 leans harder on execution: VATS-leaning combat, low aim demand
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization7 vs 8
Final Fantasy XI Online leans harder on optimization: Job builds, skillchains and party composition are deep solvable systems
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.