head to head
Neither is simply harder - they are hard in different places. Among Us demands more reads; The Ship: Murder Party demands more execution.

Reads · Pure Mind Games
A social deduction party game where crewmates vote out hidden impostors between chores.

Reads · Bluff & Deduction
Cruise passengers each hunt an assigned target while acting natural enough to avoid their own assassin.
Among Us leans Reads (Pure Mind Games); The Ship: Murder Party leans Reads (Bluff & Deduction).
The Ship: Murder Party leans clearly harder on execution.
Among Us
Tasks are trivial minigames
The Ship: Murder Party
Landing kills and fleeing guards needs some dexterity.
Among Us leans clearly harder on reads.
Among Us
Lying to and reading humans IS the game
The Ship: Murder Party
Spotting which passenger is your human hunter is psychological.
The Ship: Murder Party leans a little harder on variance, though the gap is small.
Among Us
Role assignment and kill information hidden
The Ship: Murder Party
Unknown quarry assignments and weapon luck cloud each round.
The Ship: Murder Party leans a little harder on optimization, though the gap is small.
Among Us
Task routes and vent logic give small edges
The Ship: Murder Party
Needs management and guard patterns are learnable systems.
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.