If you ask me, Merge Planes can be regarded as a perfect combination of a merging game and a clicker game that people usually enjoy playing.
To be specific, players need to merge the planes together with a view to coming up with better and bigger planes. As a result, you can earn more money every time it reaches the finish line.
In fact, this game provides players with an unlimited merging loop. You have to constantly send them off so that you can make consistent profits. After that, you can purchase additional planes.
When you proceed to later stages in Merging Planes, the planes are going to become much more expensive.
Therefore, you might need to take a break from the game for a while whereas the planes are doing their jobs. The best part is that it continues to run even when you are not active.