Assassin's Creed: Memories was announced by Ubisoft on July 17, 2014, as a collaboration between Ubisoft, GREE, and PlayNext.[5] It was quietly soft-launched in the Oceania region beforehand on July 7 as version 1.0,[6] and officially released worlwide on August 21 as version 1.1.[7] The game received no further updates until 15 February 2015.[6] PlayNext issued a statement in which Assassin's Creed: Memories would be shutting down. Microtransactions were disabled on February 16, and the final campaign and tournament occurred on February 23. The app itself was delisted from all digital storefronts on March 13.[4]