They are Beasts giveaway.
Join my Steam Group that shares giveaways everyone can win & be alerted on each next giveaway so you don't miss some. Also, check out our Curator Page. In future, greater games of higher value will be posted on SteamGifts but only for the members of the following steam group:

https://steamcommunity.com/groups/DFG4U

Currently, there is M&B II: Bannerlord COMPETITION going on. Join the group and visit the gleam.io link, do your best to review the Bannerlord and you may be the one to win it. Cheers!