head to head
Sackboy: A Big AdventurevsUncharted 2: Among Thieves
Sackboy: A Big Adventure leans Execution (Practiced Mastery); Uncharted 2: Among Thieves leans Execution (Practiced Mastery).
Sackboy: A Big AdventureUncharted 2: Among Thieves
Axis by axis
Execution4 vs 5
Uncharted 2: Among Thieves leans harder on execution: Set-piece gunplay and traversal under fire
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization3 vs 4
Uncharted 2: Among Thieves leans harder on optimization: Encounter knowledge trivializes replays
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

