The phrase "equipment upgrades" refers to improvements made to a piece of equipment or machinery to make it better, faster, or more efficient. Full definition
Don't forget to check our other action, defend, defense, purchase equipment upgrades games for your entertainment. (playallfreeonlinegames.com)
Gold can be spent at the port to buy equipment upgrades for characters and recruit a few more party members. (gamesugar.net)
There's a long ladder, with 99 levels to achieve and a healthy list of equipment upgrades to find / purchase along the way. (writingsofmassdeduction.com)