Ubisoft's upcoming "Assassin's Creed 5" is shrouded in mystery, but the 2013 rumor mills spawned some interesting information.

Here are the top 5 most interesting rumors about the upcoming title. Warning: possible spoilers ahead!

1. There are 6 possible locations for "Assassin's Creed 5"

According to an Abstergo email found in "Assassin's Creed IV: Black Flag", there are 6 possible locations for the next game: 13th Century Egypt/North Africa, 14th Century Ashikaga Shogunate in Japan, 18th Century French Revolution, 19th Century Napoleonic Wars/Taiwan, 19th Century New England and American Midwest and 20th Century Summer of Love, America Pacific Coast.

(Read more info about the locations here)

2. The Modern-Day storyline possibilities have "several entry points"

"We have opened up a few narrative threads and themes in the present day that we would like to play with, but like we already said the 'new' present day is our real world and this has impact at many different levels. For example, as you can already see on ACInitiates.com we now have several entry points to the modern-day. In short, we have shifted to the present day being more of a 'persistent context' for future games," AC4 creative director Jean Guesdon told Game Informer.

(Read more about Guesdon's interview with Game Informer here)

3. Ubisoft will delay the next "Assassin's Creed" game if deemed incomplete

"If we think we've ended up with a 70 percent Assassin's Creed game, we're not going to ship it," Ubisoft North American president Laurent Detoc told IGN. "That damages the brand. I'm not going to give you the names of products, because you know them as well as I do, but if you start to make games at 70 percent, even with a big brand, eventually people are going to change their mind about that brand. They won't want it anymore. That's what saves the recurrence."

(Read more Detoc's interview here)

4. An "Assassin's Creed" and "Watch Dogs" mash-up is possible

"Absolutely, Watch Dogs is kind of showing us the path for the future," lead game designer Jean-Sebastien Decant told Game Reactor. "But we have to create a... We have to respect our brands. So if we have to go that way with Assassin's Creed we have to think about how it could fit into Assassin's Creed."

(Read more about the possible mash-up here)

5. There may be two new "Assassin's Creed" games being released in 2014

According to The Examiner, "sources familiar with these projects, it has come to fruition that Ubisoft has two Assassin's Creed titles planned for 2014; one being a next-gen (PlayStation 4/Xbox One) exclusive while the other designated for the current crop of now last-generation consoles (PlayStation 3/Xbox 360)."

(Read more about the two games here)