Word Bubbles Instructions

In Word Bubbles, you’re given a stem in which you must build as many words as possible. Each word must start with the letters in the box. Type a word with the keyboard and then tap Enter/Return to play the word. The letters in the stem start to drop off as the timer counts down allowing you more flexibility in the words you can make. To save time, use the up or down arrow keys to re-enter the last word you just submitted. To re-enter in the app, press the "Star" key in the bottom left. 

If you enter an invalid word, then a red “X” appears to indicate the word isn’t valid. Points aren’t gained or lost if you enter an invalid word.

Word Bubbles looks up words in a fairly large dictionary. It should include common words in both American and British English, but may omit some technical terms and newer words. Neither version accepts any of the following words:

  • Contractions (words containing apostrophes such as "can't.")
  • Slang (words that have not been recognized by a reputable dictionary.)
  • Proper nouns (words that start with an uppercase letter such as California or Christmas.) If a proper noun is accepted, it’s most likely due to the word also being a common noun.
  • Misspellings 

If you discover a word that isn’t accepted but should be, please feel free to let us know via our Feedback button. Be sure to include a link to an online dictionary that lists this word. We’ll do our best to add it! Please note, however, that you won't receive a response from our support team after submitting Feedback. Please also keep in mind that this might not create an immediate change in Lumosity. 


You can review instructions for any of our games at any time. On the website, click How to Play before starting the game. Or, during the game, clicking the pause (II) button in the top-left corner and then selecting How to Play.

In the mobile app, then tap the question mark (?) to the left of the Play button before starting. Or, during the game, tap pause (II) at the top-left of the screen and then tap How To Play from the menu that appears.

Scoring & Levels

Word Bubbles increases the difficulty and length of the stems based on the number of words that are entered. A difficulty meter is displayed at the start of each round. The difficulty meter determines which stems you receive. A higher difficulty level allows you to earn more points per word.

Longer words earn more points. The points earned for each word in each round are based on the level of difficulty for that round. You receive a bonus when you submit 3 words for a particular length. The bonus value is three times the point value for a single word for that length. You continue to collect full points after the meter is full for that word length, however, there is no additional bonus.

There are three rounds. The first is 60 seconds, second is 70 seconds, and the third is 95 seconds.

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