Found this cool demo game, but to run it I think you need to install the Unity engine/editor. Have not tried yet, so don't know how and if it works, but looks pretty awesome. Specially if you got such a monster pc and screen like you Mucky.
Link to Megacity: https://unity.com/megacity Link to latest betaversion of Unity: https://unity3d.com/unity/beta/2019.1.0b7?_ga=2.14612350.83987476.1554324708-196540952.1554324708