How to complete the Firebase Z easter egg In order to complete the Firebase Z easter egg, you’ll need a whole lot of patience, and preferably a couple friends ready and willing to help you out. A few steps are extremely challenging, so you’ll want to get as far as possible as quickly as possible. Without further ado then, let’s get to our step-by-step guide on how to complete the Firebase Z easter egg. Turn the power on and get the Ray Rifle Wonder Weapon In order to complete the easter egg, you’ll need the Firebase Z Wonder Weapon. We’ve put together a full guide on how to obtain the Ray Rifle, but here’s a quick rundown if you just need a reminder: