- The Cozy Dogen was released on October 19, 2011, along with the Bone Dragon, Witch Hut, Jack-O-Lantern, Sandstorm Dragon, Traditional Villa, Thatched Roof Cottage, and the Fire Dragon Statue.
- On December 2, 2011, the Cozy Dogen was re-designed to have snow on it.
- On December 21, 2012, the Cozy Dogen was decorated with holiday decorations for a limited time.
- On February 1, 2013, the holiday decorations on the Cozy Dogen were removed.
- Initially, the Cozy Dogen was available at level 10, but the level availability was changed on October 9, 2013, to level 8.
- The Cozy Dogen's description states, "race of half-sized men". This is likely a reference to Hobbit.
- The Cozy Dogen's description mentions, "Tols". This is likely a reference to the author of The Lord Of The Rings, J. R. R. Tolkien.