keyboard

How do I make a car crash scene like with a train and a car? How do I drive or make two cars drive at the same time so I can make a real-life looking traffic crash? By the way, how do I use slow motion by using the keyboard? I know how to use it by going to the top of the screen but I would...

Hello! In Ubuntu 19.04 I get to open the game but it doesn't detect my keyboard! Why? Anyone with the same problem? Thank you! Sorry Google translation