How do I use a .bsg file?

fly on the sky

uploaded by basilhs 11 months ago

to start prees fast z
posted by OrangIndo 11 months ago
Looks like my gigacopter..

posted by basilhs 11 months ago
yes is your gigacopter bat i fix some problems that he has wen it was fly in the sky
posted by TheVIper52 11 months ago
i ve seen this machine before