The winter season has arrived in Pet Simulator 99 with the Secret Santa! update, which also marks the experience's 37th patch iteration. As the name hints, this update lays the foundation for the upcoming major Christmas update.That said, players can also use the newly introduced Advent Calendar to track the countdown to the Christmas update. Some notable additions include a new world, new Huge Pets, and a Limited Titanic Pet dubbed "Titanic Snowflake Dominus".Keep reading to learn about Pet Simulator 99 Secret Santa! patch notes with their official descriptions.All Pet Simulator 99 Secret Santa! - Update 37 changesBug FixesFixed Huge Autumn Red Panda golden iconFixed item notifications always showing regardless of settingsSecret SantaSanta is giving away TITANIC and HUGE pets every hour!The more gifts mailed, the better chance you have to win!You can also receive Secret Santa mail from others - including HUGE and TITANIC pets!You'll want to stay online to receive gifts from others!Located at the end of the Holiday World.Limited Titanic PetThe ultimate prize for the Secret Santa event!Win the TITANIC Snowflake Dominus during the limited-time event. Limited Huge PetsNew HUGE pets found in the event, gift, and final egg!Huge Lit Cat - Found in the final eggHuge Festive Elf - Found in the final egg when you discover the Elf on a ShelfHuge Snowflake Dominus - Found from Secret Santa eventHuge North Pole Unicorn - Found in the Snowflake GiftHuge Crackling Dragon - Chance to find by rebirthing your Christmas TreeEvolved Huge PetsNew HUGE pets found in the Evolved Machine!Huge Evolved Scarecrow and Huge Evolved Red FoxHatch EggsIn the Holiday World, hatch your way through 5 new eggs!The final pets are worth lots of Secret Santa points.Chance to hatch the new HUGE Lit Cat in the final egg!Plus, the HUGE Festive Elf if you've found him for the day!Collect PetsHatch 9 pets from the Holiday World!Including our favorites: Crackling Dragon and North Pole UnicornPlus, the newest best pet, the Lit Cat!Holiday WorldThe official description of Pet Simulator 99's Holiday World:"Step into the festive spirit of Holiday World!"Decorate your Christmas tree, open advent rewards, find the elf, and more.Complete quests to unlock all of the event areas!Also Check: Pets Go King of the Hill (Update 8)Pet Simulator 99 Secret Santa! - Update 37: Christmas Tree Decorating, Hidden Presents, and moreChristmas Tree DecoratingDecorate your tree by collecting ornaments!Complete your tree to win prizes like the HUGE Crackling Dragon!Each rebirth increases the challenge for better rewards.Advent CalendarThe official description of Pet Simulator 99's Advent Calendar:"Claim festive presents, gifts, and rewards!"Countdown to Christmas with the Advent Calendar!Complete daily quests to open advent doors.Hidden PresentsSearch the Holiday World to uncover Hidden Presents!Find all 30 for increased huge pet chances. It’s not easy!Elf on a ShelfTrack down the Elf on a Shelf, in a new spot, every 24 hours!Unlocks the chance to hatch the HUGE Festive Elf from the final egg.Ornament MessagesDecorate any tree in the Holiday World!Leave a message for others to read.The ornaments drop in the event world!Snowflake Gift BagUnwrap the Snowflake Gift Bag!Chance for the Huge North Pole Unicorn, Snowflake Hoverboard, and Booth!Snowflake Gifts can be created with the Snow Machine. Snow MachineTransform Magical Snowflakes into Snowflake Gift Bags with the Snow Machine!Located in the Frozen Lake zone.Snowflake ItemMagical Snowflakes drop randomly from Holiday breakables!Used in the Snow Machine!Gingerbread ChestThe Gingerbread Chest drops tons of coins and rewards!Sweeten your holiday rewards with every break.Candy CanesSmash the Candy Canes scattered around!Packed with a sweet amount of coins.Bee Clan BattleIntroducing the Bee Clan Battle!Earn the most Secret Santa points.Pet Simulator 99 Snow Globe Exclusive PetsShake it up with the new Snow Globe Egg!Featuring the TITANIC Snow Globe Cat!2 new HUGE pets - HUGE Snow Globe Hamster and HUGE Snow Globe CorgiThese are the first ever rolling (and sphere-shaped) pets!Limited-time! Don’t miss out on your chance to hatch this egg!Also Check: How to get Hoverboard in Pet Simulator 99?FAQs on Pet Simulator 99 Secret Santa! (Update 37)What are the first-place rewards of the Bee Clan Battle?You'll receive a Gold clan medal and Huge Rainbow Doodle Bee after winning the Bee Clan Battle.What are the new Evolved Huge Pets in Pet Simulator 99?Huge Evolved Scarecrow and Huge Evolved Red Fox are the latest Evolved Huge Pets in PS99.How do you enter Pet Simulator 99's Winter World?You can enter the Winter World right from the spawn point available in all the main world maps.