Steam game with advent calendar?

Coloring Pixels:
https://store.steampowered.com/news/app/897330/view/3886106208605208361
(the advent calendars are DLC though)

World of Tanks:
https://store.steampowered.com/news/app/1407200/view/3870343609909348771?l=english

I was curious of that myself. GF has a pokemon one IRL and I have a coffee one. In Steam I have teh PPU and Colouring Pixels. I dont play DbD though...

I also found
Cultist Simulator
https://steamcommunity.com/games/718670/announcements/detail/3880476709076301925
Book of Hours (Same dev as Cultist Sim)
https://steamcommunity.com/app/1028310/eventcomments/4032473196485433222/
Rolling Line (workshop offering)
https://steamcommunity.com/sharedfiles/filedetails/?id=3101621200
Games Advent Calendar (that is its name - $15US) https://store.steampowered.com/app/2445940/Games_Advent_Calendar__25_Days__25_Surprises/?curator_clanid=4777282

Satisfactory
https://store.steampowered.com/app/526870/Satisfactory/
https://satisfactory.wiki.gg/wiki/FICSMAS

https://store.steampowered.com/app/1537830/Disney_Speedstorm/