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ALIEN RPG vs Starfinder

Compare ALIEN RPG and Starfinder side by side. See differences in complexity, dice, genre, cost, and more.

ALIEN RPGStarfinder
GenreScifi, HorrorScifi
Play StyleHorror, Survival, Deadly, Atmospheric, One-Shot Friendly, Gritty, Licensed IPTactical, Crunchy, Combat-Heavy, Character Building, Grid-Based, Heroic, Ascending AC, Space Opera, Ship-Based, Exploration
Core MechanicRoll a d6 dice pool (attribute + skill). Each 6 is a success. Stress adds extra dice — better odds, but stress dice that roll 1 trigger panic. Push rolls to reroll failures but gain stress. Cinematic mode for one-shots, Campaign mode for long-form play.d20 + modifier vs. DC. Three-action economy per turn. Four degrees of success. Cross-compatible with Pathfinder 2e.
Diced6 dice poold20
ComplexityMediumHigh
AccessibilityHighVery High
CommunityMediumHigh
LicenseAll Rights Reserved (20th Century Studios license)ORC
Cost$$Free (ORC)
PublisherFree League PublishingPaizo
Year20252024
Best ForSci-fi horror campaigns and one-shots in the Alien universe, with a stress/panic system that mechanically drives tension. Supports both deadly cinematic one-shots and long-form campaign play.Sci-fi fans who want Pathfinder 2e's tactical depth with plasma rifles and starships. Great for PF2e veterans looking for cross-compatible space adventure.
HighlightsStress and panic system mechanically reinforces horror tension, two distinct play modes (Cinematic and Campaign), Evolved Edition streamlines rules and improves layout, well-supported licensed settingFree rules on Archives of Nethys, deep tactical combat, cross-compatible with PF2e, distinct class identity
ConsiderationsTightly bound to the Alien IP with limited genre flexibility, stress mechanics can feel punishing at high levels, Evolved Edition changes are modest over 1st editionSteep learning curve, fewer classes and options than PF2e (still growing), tactical starship combat rules deferred to a future supplement with current rules being narrative only