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Delta Green vs Mothership

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

Delta GreenMothership
GenreHorror, ModernScifi, Horror
Play StyleInvestigation, Deadly, Roleplay-Heavy, Character-Driven, GrittyRules-Light, Deadly, One-Shot Friendly, Survival, Atmospheric, Low-Prep, Cinematic, Fast-Paced
Core MechanicRoll d100 under your skill percentage to succeed. Matched doubles (11, 22, etc.) are critical successes or failures. Six stats (STR, CON, DEX, INT, POW, CHA) derived from percentile rolls. Bonds represent personal relationships and can be damaged as agents lose SAN. Sanity tracks Breaking Points — cross enough and you develop disorders.Roll d100 under stat/skill. Stress and panic mechanics escalate tension.
Diced100d100
ComplexityMediumLow
AccessibilityHighHigh
RunnabilityHighVery High
LicenseAll Rights Reserved3rd Party License
CostFree (Need to Know) / $$$
PublisherArc Dream PublishingTuesday Knight Games
Year20162022
Best ForGroups who want modern-day investigative horror where federal agents sacrifice everything — careers, relationships, sanity — to protect humanity from threats that should not exist.Terrifying sci-fi horror one-shots and short campaigns. Panic table creates unforgettable moments.
HighlightsBonds and sanity mechanics create personal drama, Need to Know quickstart is free and complete, strong atmospheric design, profession-based characters feel grounded, well-regarded published scenariosRules-light, well-regarded module library, panic system creates mechanical tension
ConsiderationsDense investigative scenarios require significant GM prep, limited character advancement between operations, bond deterioration can feel mechanically punishing, SAN loss mechanics can remove player agencyPanic table can cascade and end sessions abruptly, limited long-campaign support in core rules, stress mechanics can feel repetitive over extended play