Chatterbee is an educational game that teaches spelling. It uses the speech synthesizer Software Automatic Mouth (SAM) to read out word and sentences. The program will read a word, then define it in a sentence before reading it out again. The player's task is simply to type the word and as the letters appear on the screen the synthesizer will repeat them. Spelling a word correctly leads to points being awarded and if wrong the player gets two more chances. The game consists of ten rounds each with either five or ten words. There are 25 levels and the player can start on any of them. If the player does well the level will automatically change to a higher one.