It was a reward for finishing Ultimate Treehouse Stage 1: Gather Signatures.
- Main article: Livestock Pen
The Architect Pig can be stored in the Livestock Pen. The Livestock Pen can be harvested every 1 day. When harvesting the Livestock Pen containing at least one Architect Pig, in addition to currency, it is possible to find a Mystery Baby or Animal Feed.
- Main article: Mastery
|Mastery Level||Mastery Points|