head to head
12 is Better Than 6vsYoku's Island Express
12 is Better Than 6 leans Execution (Practiced Mastery); Yoku's Island Express leans Execution (Practiced Mastery).
12 is Better Than 6Yoku's Island Express
Axis by axis
Execution7 vs 6
12 is Better Than 6 leans harder on execution: One-hit deaths, manual cocking, fast top-down aim
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization5 vs 5
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

