The game was originally due to launch on September 4 in North America and November 7 in Europe, but has been pushed back for unspecified reasons.
Ubisoft also announced release dates for Just Dance 4 and Rocksmith.
Announced by Flo Rida at the E3 Gaming Expo, Just Dance 4 releases for the Wii, Xbox 360 and PS3 on October 2.
The dancing title will also be available during the Wii U launch window. Nintendo's new platform is rumoured for a December 21 release.
Rocksmith, meanwhile, will launch in the UK on September 28 for the Xbox 360 and PS3. The PC version releases on October 19.
Featuring a soundtrack consisting of the likes of Nirvana, The Rolling Stones and Muse, Rocksmith enables users to plug in an authentic guitar to learn new songs.
> 'Rocksmith' blog: Digital Spy's first taste of the guitar teaching tool
Announced by Ubisoft last year, Far Cry 3 returns to the tropical setting made famous by the first Far Cry.
Earlier this month saw the reveal of the game's four-player co-operative mode and new trailer for E3 2012.
Far Cry 3 will be available on Xbox 360, PS3 and PC.
> 'Far Cry 3' campaign preview: Face your insanity
Watch the E3 2012 trailer for Far Cry 3 below: