Edit - this deal is now available though you will need a VPN to redeem. I used Hola VPN on Chrome and was able to redeem successfully.
This game has been advertised as free in the Chinese Ubisoft store for Singles Day.
Download using the following steps (Credit to assayrabbiya). #Method 1 Using Chrome Device simulation. No need to use your phone - works perfectly fine in your desktop browser:
Open the webpage
Open the chrome dev tools (F12 on Windows)
Press Ctrl + Shift + M
Refresh page (to be safe)
Click on big blue button, and the screen will pop up with "All good!"
Enjoy #Method 2 Using Chrome on Android phone (seems to work with iPhone + Safari as well)
1.Logged into the Australian Ubi store here: https://store.ubi.com/anz
2.Clicked OP link
3.Click on big blue button, and the screen popped up with "All good!" and "Game activated in your library" or something along the lines
If a different screen pops up with an entry box prefilled with "+61" it's asking you to set up a phone number, scroll down and hit the white button which is "skip"
Credit to mydealz.