Index - U
| UI | Card |
| unCoord | Direction |
| Undead | Card |
| UndeadArcher | Tile |
| UndeadGhost | Tile |
| UndeadMummy | Tile |
| UndeadNecromancer | Tile |
| UndeadShade | Tile |
| UndeadSkeleton | Tile |
| UndeadSpecter | Tile |
| UndeadVampire | Tile |
| UndeadWarrior | Tile |
| UnexpectedMessage | ServerMessages |
| unFrame | Cinema |
| unHandIndex | Board |
| Unlift | Card |
| unlift | |
| 1 (Function) | Skill |
| 2 (Function) | Card |
| Unpick | Update |
| unsafeGameModel | Model |
| unsafeGet | Shared |
| unsafeInitialGameModel | Update |
| unsafeJourney | Campaign |
| unsafeKeyToCard | Shared |
| unsafeLootModel | Model |
| unsafeToCardCommon | Shared |
| up | Cinema |
| update | Board |
| UpdateCmd | Move |
| updateGameModel | Update |
| updateLootModel | Update |
| updateModel | Update |
| updateSceneModel | Update |
| updateWorldModel | Update |
| UserBusy | ServerMessages |
| UserBusyError | Model |
| UserCreated | ServerMessages |
| UserCreationError | ServerMessages |
| UserCreationFailed | ServerMessages |
| UserName | ServerMessages |
| UsernameAlreadyExists | ServerMessages |
| UsualDeath | Effect |