HOW TO PLAY: First off you're need money. So click on 'Mine Robux' at top left. Then hit upgrade free. Every time click the money stash you get certain amount in-game Robux. You see the catalog in click on 'Catalog' top you're screen. With you buy limited or other item sell them the market, competing with other users. You upgrades you're robux per click in 'Mine Robux' section for certain amounted money. This an old save file from a while ago.