Legacy Cost is a side-scrolling action role-playing game (RPG) with many different elements. In this game, you play as the last remaining heir to a large, abandoned workshop. The workshop never made any money and is now in a state of ruin. It's up to you to restore the abandoned shop to its former glory. You must find the secret treasure that was hidden in the old building, in order to restore it to its former glory. To get to the treasure, you need to find and collect all the tools that will help you.

You must also find and fight with various monsters in order to get the necessary materials and gold.