Trying to play this game with an xbox controller, can anyone help me out?

The only way would be to run a software that could bind keyboard strokes to a controller. I haven't tested this but have a try with this one:
[url=https://www.microsoft.com/en-us/p/antimicro/9n1fcfq6p5lw?SilentAuth=1&wa=wsignin1.0&activetab=pivot:overviewtab]AntiMicro[/url]

I think that FSW2 Ten hammer does support controllers since I've seen the xinput dll in the gamefiles.