head to head
vs
Fallout: New VegasvsRisen
Fallout: New Vegas leans Optimization (Pure Optimization); Risen leans Optimization (Practiced Mastery).
Fallout: New VegasRisen
Axis by axis
Execution4 vs 5
Risen leans harder on execution: Stamina-based melee with timing and dodges matters early
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization8 vs 7
Fallout: New Vegas leans harder on optimization: Faction routing, perks, builds heavily rewarded
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.