Building comparison
head to head
Impossible MissionvsPeak
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.
Impossible Mission
Execution · Practiced Mastery
C64 classic about somersaulting past robots to assemble a password.
Peak
Execution · Practiced Mastery
Careful climbing execution and route planning where a single mistimed grab undoes everything.
Impossible Mission leans Execution (Practiced Mastery); Peak leans Execution (Practiced Mastery).
Impossible MissionPeak
Axis by axis
Execution6 vs 7
Peak leans a little harder on execution, though the gap is small.
Impossible Mission
Pixel-precise flips past patrolling robots
Peak
Stamina-managed grip timing - one slipped input drops the whole climb
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Impossible Mission
Robots patrol on fixed behaviours
Peak
Co-op against a mountain, no adaptive opponent
Variance4 vs 3
Impossible Mission leans a little harder on variance, though the gap is small.
Impossible Mission
Puzzle pieces randomized each playthrough
Peak
Daily map rotation and item spawns shuffle each ascent
Optimization5 vs 5
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Impossible Mission
Search routing under the time limit
Peak
Routing the wall and rationing items decides summit attempts
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.