To get the UFO key in Sell Lemons, you will have to collect it from inside the sewers maze, but only after successfully pulling a series of colored levers ...

Sell Lemons might seem like a simple click and profit game, but there's a hidden mystery for you to solve below the city. You ...

Having the UFO Key in Sell Lemons puts you in an advantageous position, as it doubles the investor bonus you currently have. As a result, you earn more money for your ever-expanding lemonade business.

The Sewer Key is one of the most important secret collectibles in Sell Lemons. Players who find it and complete the related ...