Billy Upgrade Tree (v3 UPDATE)

Welcome to "Billy Upgrade Tree", a game based around a rock named "Billy". Inspired by The Ultimate Upgrade Tree by Gui_Ducks Make sure to join our group! https://www.roblox.com/groups/34953601/The-Billy-Band#!/about If you want your data to save, please make a private server. This is because the data doesnt save on public servers.