Is overwatch worth buying in 2018?

It definitively is, the developers are actually listening to the community and the game is in constant change, so, you should give it a try

It was recently offered as a humble bundle special! You only needed to pay like 12$ to get it, which is a nice bargain. If you like the game, you should definitely pick it up. There are enough players sustaining it which is the most important thing for any game.

If you like fun games, fun gamemodes, fun characters AND a backstory, buy it

Its a really fun game i suggest buying it. It will be so fun learning all the new characters. But get ready for toxi players