Weekly themed tiles events allow you to win unique tiles and coins as you progress through Word Life. As you play the game, look out for green reward boxes containing pieces of tiles from the active themed collection. Once you gather all the pieces, you form a tile that will be added to your personal collection.

To see available tiles and select your current favorite, access the Customization screen (letter and brush icon on the bottom bar), select "Collection", and tap on your tile of choice.

Don't worry if you didn't have enough time to gather all the tiles from the active theme! The theme will return, and you'll be able to win the tiles that were missing.