Zynga has made good on its promises to shut down several games -- killing PetVille, FishVille, Montopia, Vampire Wars, Indiana Jones Adventure World and more -- in an effort to save money and focus resources on more popular games.

According to a report by The Hollywood Reporter, the company was informing users of the discontinued games via messages on Facebook, where many Zynga users play their games.

"Thank you for supporting PetVille and for being a loyal player! We’re sorry to inform you that PetVille will be shutting down on December 30, 2012,” read a message at PetVille’s Facebook page.

“We appreciate your participation in PetVille as it helped make the game a fun place to meet and war with friends. As a loyal PetVille player, you are eligible for a one-time, complimentary bonus package in one of either Castleville, or Chefville, or Farmville 2, or Mafia Wars or Yoville," the message stated. 

Zynga said in October it would close a Boston studio, discontinue some games and lay off about five percent of its staff. Shares of Zynga have fallen 83 percent in the past nine months.