How do I use a .bsg file?

THE HOVER TANK(10+ explosive shots)

uploaded by NickMacFarts 2 weeks ago

Use arrow keys to move
Use left and right to aim horizontally
Use 4 and 6 (numpad) to use reloading mechanism
Use 1 and 3 (numpad) and move slightly forward to load bomb
Use 5 (numpad) to activate steam cannon
Use 8 and 2 (numpad) to aim vertically
Use 7 (numpad) to higher the magazine
Use 0 (numpad) to push bomb on steam cannon(and shoot)
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