Challenge your friends and family in the high-energy quiz Knowledge is Power: Decades on the PlayStation®4 system with the game’s companion App. Test your trivia knowledge with thousands of pop culture questions spanning the ’80s, ’90s, ’00s and ’10s.Use your smartphone as a controller to play with up to five other players – be the fastest finger first to answer, get the edge on your opponents by using a mix of tricks and take part in touch screen Challenges. Who will be first to scale the Pyramid of Knowledge?Make sure your PlayStation®4 system is connected to the same Wi-Fi network as your compatible mobile device and then you\'re ready to go. Simply follow the in-app instructions to connect.Use this app to:• Pick your character and snap a selfie using a variety of fun filters• Answer quiz questions without other players seeing your choices• Choose from a selection of Power Plays to slow down your rivals• Tap, swipe, drag and more in six touch screen Challenges• Play ‘Quiz Blast’ and challenge your friends to beat your time via the app* when you’re on the move away from your PlayStation®4 system*Message and data rates may apply. The application can be used in the following languages:English, French, German, Italian, Spanish, Portuguese, Dutch, Polish, Russian, Greek, Latin American Spanish, Brazilian Portuguese & Arabic.PlayLink titles are all about social gaming that everyone can enjoy. Install your game into your PlayStation®4 system, pick up your compatible smartphone or tablet, gather around your TV and prepare for a refreshingly different experience – without the need for multiple DUALSHOCK®4 wireless controllers. Visit https://www.playstation.com/en-us/games/playlink-ps4/ and www.playstation.com/playlinkcompatibility for more information.Please note: This app acts as a controller. PlayStation®4 system, the Knowledge is Power: Decades game, and the Knowledge is Power: Decades Companion App required to play. PlayStation®4 system and the Knowledge is Power: Decades game for the PlayStation®4 system sold separately.The following Terms of Use and Privacy Policy apply to the use if this app, depending on your country of residence: https://www.playstation.com/en-gb/legal/