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 ...

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 ...

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

The Sewer Key can be obtained by solving a lever puzzle in the sewers of Sell Lemons. Use any manhole cover on the main street to jump down into the sewers. Once you’re there, you’ll need to pull and ...