head to head
vs
Doom 3vsImpossible Mission
Doom 3 leans Execution (Practiced Mastery); Impossible Mission leans Execution (Practiced Mastery).
Doom 3Impossible Mission
Axis by axis
Execution5 vs 6
Impossible Mission leans harder on execution: Pixel-precise flips past patrolling robots
Reads0 vs 0
Even - both lean on reads about the same.
Variance3 vs 4
Impossible Mission leans harder on variance: Puzzle pieces randomized each playthrough
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.