In Stock

Let’s get into mischief! Join Maureen, Wendy and all their friends in this new video game adventure! Challenge your friends in crazy mini-games and explore the Sisters' city.

The Sisters - Party of the Year

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 the fun and delirious universe of 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.

Windows Minimum Requirements:

OS: Windows 10
Processor: 2.4 GHz Dual core
Memory: 2 GB RAM
Graphics: NVIDIA GTX 260 or ATI 4850
Storage: 2 GB available space

Mac Minimum Requirements:

OS: 10.13 minimum
Processor: Intel Core i5
Memory: 8 MB RAM
Graphics: AMD R7 260X - Nvidia GTX 550 Ti 2GB
Storage: 2 GB available space

To activate the Steam key you've received, follow the instructions below;

First up, open the Steam client. (If you don't have it, simply click the "Install Steam" button here => Steam Store )
Sign in to your Steam account. (If you don't have one, click here to create a new one => Steam Account)
Click on the "ADD A GAME" button in the bottom corner of the client.
Then, select "Activate a product on Steam..."
Write down or copy-paste the activation key that you've received from %s in the window.
Your game is now visible in your library! Click on your "Library".
And finally, click on the game and select "Install" to start your download.