To enter the store you click on the house icon next to the leaderboard. When entering the store, you will find two tabs. One with hats and one with accessories. The only accessories that do something are Angel Wings, Shadow Wings, Blood Wings, and Corrupt X wings. You must have the amount of gold listed on the right side of the tab to buy the item.(You can have more than one item) Upon buying the item, you will lose the number of gold it took to buy the item. You will find a description of the item on the top left corner of the screen upon hovering your mouse over it or buying the item.