It all begins when Wendy decides to throw an end-of-year party at home with her friends. Before she gets a chance to ask her parents, her unbearable little sister Maureen steals her idea and asks their parents first. Unfortunately, the parents will allow only one party!
Maureen and Wendy start a series of crazy challenges to decide which one of them will host the party. With sister against sister, there is going to be trouble!
Immerse yourself in a fun and delirious universe starring two sisters, who are never short of mischievous ideas!
Explore the Sisters' city and complete quests and challenges in Adventure mode.
Have fun with your family and friends in one of the four multiplayer modes
Challenges: play the mini-game of your choice with friends!
Tournament: try to win the tournament by being the best in each round!
All or Nothing: play all the mini-games one by one!
Around the World: take turns choosing your favorite mini-game!
There are 24 crazy mini-games, which come straight out of the Sisters’ imagination, such as unicorn toss, cupcake factory and extreme ping-pong.
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
2025-11-24
We Don’t Do Black Friday, We Do Better!
You want to get the best gaming price deals available on the market, right? Well, look no further than our ANTI-BLACK FRIDAY promotion then, as we got a storewide campaign that would blow you away not just for a single day or a weekend, but for a total of 5 whole days. That is far from everything though, just make an order of at least 20€ between 26.11.2025 12:00 CET and 01.12.2025 15:00 CET, and you will get a FREE game…
Tired of Fake Black Friday Discounts? Score Some Real Deals Instead
Amidst the craze that usually happens at the season of drop-down MEGA sales, we actually are not finding it hard to offer outstanding prices to our audience, as we do that on a pretty regular basis. Almost every year at the time for BLACK FRIDAY the prices around the market get slightly heightened and then reduced in a way to mimic major drops and discounts to the clients, but we do not favor such bad practice and this is why we decided to do something more different...