While I did not try the game, I feel you. Same problem with my mice. Always the button failing, even replaced it sometimes. They put the 1 cent cheaper switch in it, that is rated for less clicks.
I found two solutions to this.
First is the keyboard mouse in windows. If activated, you can push num pad 5 for mouseclick
Second is software to switch buttons any way you like. I use autohotkey, and that could even do a hold down a key to send left clicks while held down. very handy for games that do not allow reconfiguring keys as well.