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Mothership vs Traveller

Compare Mothership and Traveller side by side. See differences in complexity, dice, genre, cost, and more.

MothershipTraveller
GenreScifi, HorrorScifi
Play StyleRules-Light, Deadly, One-Shot Friendly, Survival, Atmospheric, Low-Prep, Cinematic, Fast-PacedSandbox, Simulation, Exploration, Deadly, Realistic, Character Building, Faction Play
Core MechanicRoll d100 under stat/skill. Stress and panic mechanics escalate tension.Roll 2d6 + skill + modifier ≥ 8 to succeed. Character generation is a mini-game.
Diced1002d6
ComplexityLowMedium
AccessibilityHighLow
CommunityMediumMedium
License3rd Party LicenseTraveller Fair Use Policy
Cost$$$
PublisherTuesday Knight GamesMongoose Publishing
Year20222022
Best ForTerrifying sci-fi horror one-shots and short campaigns. Panic table creates unforgettable moments.Hard sci-fi sandbox campaigns with trading, exploration, and realistic space travel.
HighlightsRules-light, well-regarded module library, panic system creates mechanical tensionComprehensive sci-fi toolkit, lifepath character creation, detailed trade/travel systems
ConsiderationsPanic table can cascade and end sessions abruptly, limited long-campaign support in core rules, stress mechanics can feel repetitive over extended playLifepath character creation can produce unplayable results, subsystem rules are spread across multiple supplements, steep buy-in if using official sourcebooks