You can play Underwatermelon: Fruit Merge on:

• On Netflix, using your TV.
• On your mobile device.
• On Netflix,  using your PC. 

In this article, let’s dive into the fruity adventure play that you can have while playing directly from your PC. 

• Using your web browser on PC, open Netflix.com and navigate to the Games row or select Games from the main Netflix menu on your PC.
• When playing directly on Netflix.com on a PC, you can pair up to two controllers. One player can also use a mouse or the keyboard’s arrow keys to play. Other controllers aren’t supported at this time. At least one of the players will require an active Netflix subscription.
• Find Underwatermelon: Fruit Merge and hit “Play.” To pair a controller on a PC, press Shift + Tab on your keyboard to open the Netflix menu, select Controllers, and scan the QR code with your device. 

Learn about how to connect your controllers: 

How to connect an Android phone or a tablet to use as a game controller?
How to connect an iPhone or iPad to use as a game controller?