Merge Vehicle is one of the best idle vehicle evolution games. Merge kinds of cars & planes to get higher level vehicles. Then place cars/planes on the race track to work for you. Tons of coins will come to you. It's never been so easy to be a billionaire.
How to play Merge Vehicle?
* Tap and drag a vehicle to the other vehicle at the same level to merge them.
* Drag cars/plane and release it on the race track. Then it will earn coins.