First of all I want to say that I'm playing this game since 2014 with a break in 2015-2016. Today I'm back and picked up where we left.
This is a game certainly worth spending the money for. Even if you're taking a break from it, you'll definitely come back for more. And why is this the best trucking game out there? That is easy ... all elements you'll find in a real life trucker's life, you'll find in the game. You can make the gameplay as easy as you want but also as hard as you want. And then I'm talking about the controls which you can choose to put on all automatic or trying to do everything yourself by deactivating that automatic stuff. The more you challenge yourself as being a virtual truck driver the more interesting this game gets! Aside from that the graphics are marvelous which means you can really enjoy every little detail on the trucks and - not to forget - the environment.
If you want to take it a little bit further than just the game itself you can go for the truckersmp multiplayer modification which is free to get and use! This will provide you the chance to drive with your friends in a huge multiplayer environment. And from that you can even take it a bit more advanced by joining a VTC (Virtual Trucking Company).
As you can see the developers of both the game itself and the multiplayer environment are providing us with more than enough material to keep you busy for the rest of your gaming days!