head to head
vs
Impossible MissionvsPeak
Impossible Mission leans Execution (Practiced Mastery); Peak leans Execution (Practiced Mastery).
Impossible MissionPeak
Axis by axis
Execution6 vs 7
Peak leans harder on execution: Stamina-managed grip timing - one slipped input drops the whole climb
Reads0 vs 0
Even - both lean on reads about the same.
Variance4 vs 3
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.