The Art of Game Design: A Deck of Lenses

This deck of lenses is basically a creativity toolkit with 100 unique cards that feature very important questions aimed towards improving your game. All the cards reach different aspects of game design such as game mechanics, story, creativity, playtesting among many others. One of the great advantages of the book and the deck is that even if you’re a novice or expert game designer you and your game can greatly benefit from both of them. Read more about the cards here:

The Art of Game Design: A Deck of Lenses
The Art of Game Design: A Deck of Lenses

Link to the Book here
Link to the app here