The player is first given a weather report for the day (sunny, cloudy, or hot and dry, each accompanied by a color drawing) and is prompted for three values: the number of glasses of lemonade to make, the number of advertising signs, and the cost of lemonade per glass. The program then gives a report of the earnings for that day. A thunderstorm, sometimes occurring on cloudy days and accompanied by an animation, will void any profits and cause the player to lose any investment for the day. Other random events, such as street closures or the wind blowing away some signs, can also occur. The game ends after 12 rounds, or days. The game can be played either single-player or with up to 30 players (each player is independent and the sales of one do not affect another). The Apple II version included music, with bars from “Singin’ in the Rain,” “Raindrops Keep Fallin’ on My Head,” and “Summertime” played at appropriate moments. It also added color to the thunderstorm animation.