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
2025-09-10
National Video Game Day Becomes a Full Week
Gaming has grown into a global phenomenon, so of course it earned its own special day! It first kicked off in the 1990s and was originally marked on July 8th, before officially moving to September 12th. To celebrate this year, we’re running a huge YUPLAY storewide promo! Everyone who places an order between 10.09 CET and 17.09 CET will be automatically entered — and at the end, 21 lucky winners will receive a full refund of their order.
Gamescom 2025 has been a total hit this month, so we dedicate our monthly recap rubric completely to it and the highlights we would like to present from it! Get ready for a grand total of 12 exciting news pieces around the latest hit titles, media as well as hardware and in general what you should be looking around for in the coming months and much more. From Borderlands 4 to Black Ops 7, from Little Nightmares III to Ninja Garden 4, and even some NVIDIA news…