head to head
vs
Black MesavsTomb Raider
Black Mesa leans Execution (Practiced Mastery); Tomb Raider leans Optimization (Practiced Mastery).
Black MesaTomb Raider
Axis by axis
Execution6 vs 5
Black Mesa leans harder on execution: Classic FPS aim and platforming sequences
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization6 vs 7
Tomb Raider leans harder on optimization: Levels are spatial puzzles with solvable routes
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.