Goblin Gold

 was a limited-time currency that was released on October 3, 2017 for Act 1 of the Treehouse of Horror XXVIII Event. It was the only currency used to craft prizes for the event.

They can be obtained:
 * By tapping Mystical Pests (goblins) that spawn in the player's town (basically 2 / 4 / 8 Goblin Gold in Act 1 / 2 / 3).
 * By tapping Mystical Pests in the player's neighbors town (basically 1 / 2 / 4 Goblin Gold in Act 1 / 2 / 3).
 * From personal prizes (Level 5 in all three Acts).
 * By making Squeaky Voice Peasant do some jobs.
 * By releasing enchanted Beasts or Trolls (10 / 20 / 40 Goblin Gold in Act 1 / 2 / 3).

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