How do I use a .bsg file?

Iris Door Contest entry by Pamaxxx

uploaded by anonymous 11 months ago

Left/right arrow = profit

That' s my entry for the 72 contest by AvarethTaika on reddit
https://www.reddit.com/r/Besiege/comments/73xn60/contest_77_iris_door/

I'm uploading this on my workshop too
http://steamcommunity.com/profiles/76561197996118825/myworkshopfiles/?p=1&numperpage=18
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