head to head
Shadow of the ColossusvsSonic Adventure 2: Battle
Shadow of the Colossus leans Optimization (Practiced Mastery); Sonic Adventure 2: Battle leans Execution (Practiced Mastery).
Shadow of the ColossusSonic Adventure 2: Battle
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization7 vs 6
Shadow of the Colossus leans harder on optimization: Each colossus is a solvable climbing puzzle.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

