How do I use a .bsg file?

TURTLE VS TANK!

uploaded by new 7 months ago


IMPORTANT THE CUTE TURTLE DOESNOT BELONG TO ME
IT BELONGS TO Blitsplatapus,I just want to to get attention
by my favourite builders.CONTROLS:
t-f-g-h=tank movement
arrows=turtle movement
k=detonate turtle(overkill)
- =???????(overkill close range)
posted by new 7 months ago
sorry for bad photo just hard to use paint (windows)