A Scrabble Challenge is a word that is made up of two or more other words. For example, the word lighthouse is made up of two words, light and house. Similarly, this game contains many examples of common compound words. You have to guess the one word for each image and think to write the compound word from it. Simple English vocabulary word lists. Guess Popular Words Given Different Levels. Unlock each level by completing one by one each word. -2-Picture 1-Word Activity. Scrabble Challenge, word puzzle game, compound words, word game, vocabulary, vocabulary building, word skills, puzzle game, arcade game, casual game, hypercasual, brain training, word recognition, letter guessing, english words, cognitive skills, unlock levels, word lists, popular words, word challenge