head to head
Call of Juarez: GunslingervsSpy Chameleon
Call of Juarez: Gunslinger leans Execution (Practiced Mastery); Spy Chameleon leans Execution (Practiced Mastery).
Call of Juarez: GunslingerSpy Chameleon
Axis by axis
Execution7 vs 6
Call of Juarez: Gunslinger leans harder on execution: Quick-draw duels and combo shooting demand precision
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization6 vs 5
Call of Juarez: Gunslinger leans harder on optimization: Score routes, skill trees, duel timing knowledge
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

