Copper ore is a rare resource. You need copper ore to craft Copper ingot at the Material production table. You need this resource for advanced building of traps and electronic devices. You also need Copper ore to craft Copper wire. You can find Copper ore by mining black rocks or square rocks. Have a look at the lakes, there are massive amounts of Copper ore.
|where to find||Black rocks, colourful rocks|
|where to craft||–|