How do I use a .bsg file?

TT-Turtle Tank

uploaded by Twin 3 months ago

made on base Quad Track Tank base thegeneralofbananas
arrow up and forward
down and back arrow
left and left arrow
right arrow to the right
Z - tank tower to the left
X-tank tower to the right
C shot
posted by Twin 3 months ago
link a Quad Track Tank base