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0018: Re-Derived Collectible Card Rule Set

V5 includes a Hunter-cell collectible card minigame inspired by tavern play and contract downtime.

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Status: Accepted

Date: 2026-05-25

Context#

V5 includes a Hunter-cell collectible card minigame inspired by tavern play and contract downtime. Copying a published ruleset would create IP and balance risk.

Decision#

V5 uses an original, re-derived card ruleset. It can share broad genre traits such as hand management, factions, and lanes only where those are generic design patterns, but card effects, scoring, progression, and terminology are V5 originals.

Consequences#

  • The card rule engine must be documented and tested as original V5 gameplay.
  • Content review checks must reject copied card names, effects, and scoring.
  • Marketing and UI text cannot imply compatibility with any external card game.