Ubisoft's 30th anniversary free game is Beyond Good and Evil for October.

[Elixer]

To celebrate Ubisoft's 30th anniversary, The Ubisoft Club is offering you seven digital PC games. Every month a new game will be revealed and free to download. Then it is yours to keep!
Hurry up, the game is available for a limited time. Just register here with your Uplay account.

https://club.ubisoft.com/en-GB/ubi30

Another free game.