This is a 3D bridge splicing game. The car wants to pass through here, but the road is blocked. You should help the car to make a complete road at the splice to make them pass through here. If you make a mistake, the car will fall down.

To do it, hold the left mouse button to spawn it, but know that the more you hold, the bigger it becomes.

Try only to get the bridges in the right sizes, because if you make them too short or too long, the car will fall into the abyss, which is when you lose. Some tiles also move, so get the timing right on when to build and then drop the bridge.