Upgrading / Leveling up your weapons

In order to level up / upgrade your weapons, you need to fully make the green bar of your weapon at the middle bottom of the screen full, you can only level them up by using them and killing the noobs, once the green bar is full, click on the wrench button of the left side of the bar to upgrade it.

These are the follow options you can use to upgrade your weapons:

Bullets (increases how many bullets you shoot)

Accuracy (increases your aim)

Speed (increases your firing speed)

Damage (increases your damage)

Each time you level up the weapon, the more harder it gets to level up to the next level of the weapon. Once everything is filled out, you can no longer level the weapon.