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Fear of the Unknown vs Mothership

Compare Fear of the Unknown and Mothership side by side. See differences in complexity, dice, genre, cost, and more.

Fear of the UnknownMothership
GenreHorrorScifi, Horror
Play StyleTag-Based, Fiction-First, Collaborative, Investigation, Mystery, Horror, One-Shot Friendly, Rules-LightRules-Light, Deadly, One-Shot Friendly, Survival, Atmospheric, Low-Prep, Cinematic, Fast-Paced
Core MechanicRoll 2d6 and add tags: invoke up to three of your character's tags for +1 each, while the Oracle invokes up to two against you for -1 each. On 10+ you fully succeed, on 7-9 you succeed at a cost, and on 6 or less the Oracle chooses a consequence. The Encounter True Horror move instead adds your accumulated Horror to the roll, where a higher total is worse, so encounters grow more dangerous as dread builds.Roll d100 under stat/skill. Stress and panic mechanics escalate tension.
Dice2d6d100
ComplexityLowLow
AccessibilityHighHigh
RunnabilityVery HighHigh
LicenseProprietary3rd Party License
Cost$$$
PublisherSixpence GamesTuesday Knight Games
Year20232022
Best ForGroups who want a rules-light collaborative horror mystery that plays to completion in a single session, especially fans of horror films who want to investigate a mystery and face escalating dread without any GM prep. Works well for convention one-shots and players new to narrative RPGs.Terrifying sci-fi horror one-shots and short campaigns. Panic table creates unforgettable moments.
HighlightsEvery successful Investigate roll hands the player a clue tied to the question they asked, so the mystery advances from what characters do at the table rather than from clues the Oracle hid in advance. The tags a player invokes on a roll become the fictional elements of the resulting scene, so each character's specific traits, not just the dice result, shape what happens in play. Each supernatural encounter permanently raises a character's Horror, which is added to future horror rolls, building escalating dread without a separate countdown.Rules-light, well-regarded module library, panic system creates mechanical tension
ConsiderationsA single Face Peril roll resolves every dangerous situation, from a fistfight to a fall, with no initiative or enemy stats, so groups wanting tactical combat must build it themselves. The Oracle prepares no clues and improvises every answer to investigation questions live, which demands real on-the-spot creativity rather than prepared structure. The three-act structure and epilogue are built for self-contained one-shots, with no advancement loop for ongoing characters beyond gaining and losing tags.Panic table can cascade and end sessions abruptly, limited long-campaign support in core rules, stress mechanics can feel repetitive over extended play