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Freeform Universal

Classic Rules
Improvise action-adventure stories in any setting you can imagine
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universal
Rules-LightNarrativeImprovisationOne-Shot FriendlyBeginner-FriendlyToolkitPlayer-Only RollsOpen Source
Languages: English
Diced6
System FamilyStandalone
CostFree
LicenseCC BY 4.0
PublisherPeril Planet
Year2020
Complexity Very Low
Accessibility Very High
Runnability High

Core Mechanic

Roll a d6 and read it as a yes/no answer to a stated question: 6 = yes and (a bonus), 4 = yes, 2 = yes but (a cost), 5 = no but, 3 = no, 1 = no and (it worsens). Each Descriptor, item of Gear, or factor that helps adds a bonus die and you keep the best; each that hinders adds a penalty die and you keep the worst; helping and hindering dice cancel one-for-one. FU Points buy extra dice or re-rolls, and only players roll.

Best For

Groups who want to improvise a story in any genre with almost no prep, and pick-up or one-shot games where character creation needs to take minutes.

Highlights

Every roll answers a yes/no question on a six-step ladder, so one d6 produces graded outcomes from "yes, and" to "no, and" without separate hit, damage, or opposed rolls. Characters are built from four plain-language Descriptors plus Gear the table reads literally, so any setting plays with no stat conversion. Situational advantage adds bonus or penalty dice that cancel one-for-one and keep the single best or worst result, collapsing all modifiers into one step.

Considerations

Outcomes hinge on table agreement about whether a Descriptor applies, so play depends on shared interpretation rather than fixed numbers. There is no default combat, health, or damage subsystem, so injuries are tracked as freeform Conditions and lethality is left to the group. Advancement is minimal, so long campaigns give characters little mechanical growth.