This game. Word squares that form  different words across up and down are known as "double word squares". Example are:

     L  I  M  B
     A R  E  A
     C O  R  C
     K N  E  E

The rule of the crossword puzzle. Use images and hints to guess words.  Click on the image and a hint appears. Guess all the words and go to the new square! Get it from Microsoft Get it on Google Play