This is the whole pacakge of 2D classic game tank war
Quite easy to play this game:
All you need to do is open Unity - create a new 2D project with version 2018 - open scene - import this unity file ->
File - build setteings - drag main and game scenes inside scenes in the list of project - and drag the main scene into the list hierarchy ->
Click play, here you go!
More code explanation in https://yangocean-sudo.github.io/