Advent Calendars are found at the end.
Madams139sims
Sims 3
Belgian farmhouse
https://madams139sims.tumblr.com/post/704531732865613824/any-feedback-welcome-in-comments-or-on-my-discord
Pixel Rabbit
Sims 3
A number of things
https://mainlyjustthesims.tumblr.com/post/704371295474860032/cc-conversion-dump
CC by Chanaqinn
Sims 3
Loafers
https://cchanaqinn.tumblr.com/post/704456626159157248/dead-or-alive-5-loafers-converted-to-the-sims-3
Deniisu’s Simblr
Sims 3
Lace-up accessory
https://deniisu-sims.tumblr.com/post/704551416396677120/lace-up-accessory-i-just-extracted-the-texture
LordressDragoon Bear
Sims 3
Sims
https://lordressdragoonbear.tumblr.com/post/704452453276549120/christmas-couple
Santa’s workshop
https://lordressdragoonbear.tumblr.com/post/704541222348505088/santas-workshop
Angela Ester Sims
Sims 3
Large Christmas Family Home
http://angelaesterthesims.blogspot.com/2022/12/casa-familiar-grande-de-natal-base-game.html
Kotajose
Sims 3
Clothing
https://kotajose.tumblr.com/post/704529498762248192/al-fin-feliz-navidad-ho-ho-ho-all-the-credits
Mutti´s Sims 3 Stuff
World
https://muttis-sims3.tumblr.com/post/704503656933900288/scandicordia
Bast
Sims 3
Christmas gifts
https://bast-sims.tumblr.com/post/703558251638292480/christmas-gifts-2023
Fluttereyes
Sims 3
Graffiti tags
https://fluttereyes-ts3-blog.tumblr.com/post/704454291319128064/graffiti-tags
Xmas paintings
https://fluttereyes-ts3-blog.tumblr.com/post/704521302512386048/xmas-paintings-collection
Faerieland
Sims 3
Hair
https://faerielandsims.tumblr.com/archive
Mod the Sims
Sims 3
House, aurora boreal
https://modthesims.info/downloads/ts3/38/?showType=1
Advent Calendars:
TerraLuna
Sims 1
Advent gifts
https://terraluna.space/showthread.php?tid=8531
Stray Pixels
Sims 1
Christmas items
http://straypixels.weebly.com/holidays-christmas.html
http://straypixels.weebly.com/christmas-walls.html
Sims Cave
Sims 1, 2, 3, 4
List of Advent Calendars
http://simscave.mustbedestroyed.org/index.php?topic=38113.0
Sims Cave
Sims 1, 2, 3, 4
Advent Calendar & Advent Sunday Gifts
http://simscave.mustbedestroyed.org/index.php?topic=38121.msg320718
Sim Pearls
Sims 2, 3, 4
The Sim Pearls Advent begins December 1st and will go through December 25th.
Everyone is welcome to share in this gift-giving occasion event!
https://simpearls.co.uk/
Elvisgrace
Sims 2
Doing Holly Jolly Ask-Mas
https://elvisgrace.tumblr.com/
Entropy, Fake Blood, & Honeymooncc2
Sims 2
Joint Advent Calendar
https://entropy-sims.tumblr.com/archive
https://fakebloood.tumblr.com/archive
https://honeymoon-cc2.tumblr.com/archive
Rocket Horse
Sims 2
Advent Calendar (Maxis Madvent)
https://rockethorse.tumblr.com/archive
Hell Has Spoken
Sims 2, 4
Winter Wonderland
https://hellhasspoken.proboards.com/thread/1847/winter-wonderland-2022
Around the Sims
Sims 3
Advent Calendar 1 - 24 December
https://aroundthesims3.com/
Bionic Zombie
Sims 3
Doing Advent
https://bioniczombie.tumblr.com/tagged/a
Simlicious
Sims 3
Advent Calendar
https://simlicious.tumblr.com/tagged/Simlicious%20Advent%202022
Wandering Sims
Sims 3
Advent Calendar
https://wanderingsimsfinds.tumblr.com/tagged/advent
Teekaloo
Sims 3
Doing December gifts
https://teekapoa.tumblr.com/tagged/december%20gifts
Around the Sims
Sims 4
Advent Calendar 1 - 24 December
https://sims4.aroundthesims3.com/
Pixel-Warehouse
Sims 4
Doing Winterfest Advent
https://pixel-warehouse.tumblr.com/
All4Sims
Sims 4
Advent Calendar
http://www.all4sims.de/index.php?page=Thread&threadID=16414
Medieval Sim Carpenter and Tailor
Sims 4
Doing Winterfest
https://simverses.tumblr.com/post/702385408443662336/winterfest-this-year
Talia’s Witchy Sims 4 CC
Christmas 2022
https://simdertalia.tumblr.com/tagged/sims%204%20christmas
Berry Gameplay Discord
Sims 4
Advent Calendar
https://berrygameplay.tumblr.com/tagged/simblr%20advent
Buzzard’s Bits and Bobs
Sims 4
Is doing December weekends
https://buzzardly28.tumblr.com/archive
Surely-Sims
Sims 4
Doing The 12 Days of Shrimpmas
https://surely-sims.tumblr.com/archive