The story begins when you and your favorite sister are gifted a tablet to reward your good grades. Your sister immediately creates an account on a trendy social network, not only to share her adventures with her best friends, but also for something else. As your beloved yet mischievous sister, she wants to surpass the fame of your own account to become the new popular influencer in town!
Our favorite Sisters will have to compete in a frenzied race for followers!
After “The Sisters – Party of the year”, discover a brand-new story inspired by the bubbly and colorful universe of the successful comic series “The Sisters”, where creative ideas come as fast as silly ones!
Explore the town with its new places and upgraded designs, meet the inhabitants and take up all the challenges of the 24 super-influencers in town in the Adventure Mode!
24 crazy new mini-games to beat the scores: Toma-throw, Laser Game, Blop-blop diving, Crazy cooking…
Enjoy the 4 multiplayers modes to challenge your friends and you family:
Challenges: only the best of your favorite challenges with your friends!
Around the world: take turns choosing your favorite mini game to play!
Tournament: prove that YOU are the best by winning each round of the tournament!
All or Nothing: play all the mini games in a row at a frantic pace!
Collect all the gift cards by completing all the missions, unlock stylish items and custom your Sister to become the fanciest!
Replay the game endlessly as Marine or Wendy and try to unlock the secret ending…
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-07-07
The Best Warhammer 40K Games Every Fan Should Play (Part I)
The Warhammer 40K series of games has never seized to amaze and introduce outstanding titles in multiple genres, thus expanding the Warhammer 40K Universe immensely for decades! We decided to compile an extensive list with some of the more prominent gaming experiences to try out in the collection for this popular franchise that you could get from Steam…
The month of June kept things in the gaming world quite heated and summer is just beginning! We have the latest important updates prepared and they are certainly ones you should check out as the rest of the year shapes up to have outstanding titles coming up! Read on and find out everything about it in the following stories.
