How do I use a .bsg file?

Creeper v2

uploaded by Harry 2 years ago

y to blow
Arrow keys to move
Can only move forwards
posted by Harry 2 years ago
Please note that I only updated Grayadam123's creeper so it blows up easier!
Here's a link to the original:
posted by votalo a birri 2 years ago
Upload a lot of amazing creations: 60 downoalds or 80

Upload a creeper: over 100 downoalds