Become a real tycoon and develop your idle city. Start in a small town and turn it into a big city. Develop the transportation system! Build new amenities and upgrade them. Open up areas for buildings in your diamond city. Let visitors to the city touch the future. Feel like a real tycoon of this world! Draw up a development plan and optimize the flow of visitors - don't let them get bored standing in line to enter your diamond city! You are a tycoon here and everything depends on you! Design marketing campaigns to attract new guests. More city visitors - more income! You like idle games that are calm and not too stressful? You're sure to love our idle game Diamond City. Take big decisions and build the best futuristic dream diamond city in the world! If you like management and idle games, you’ll definitely enjoy Diamond City! Main points: • creating a futuristic city with unique amenities; • taking important development decisions; • an extensive list of interesting tasks; • stylized 3D graphics; • awesome animation for each level of buildings.