Auxbrain, Inc.

First you need the artifacts update. To verify you have a new enough version of Egg Inc, open the Settings screen and look for the version. It should be 1.20 or higher. Second you need at least 1 soul egg. Then tap on the construction site behind the hatchery. It will tel...

As egg discoveries allow for the exploration of the cosmos, explorers uncovered Artifacts of ancient civilizations that appear to have also unlocked the secret of the Egg. These Artifacts provide various passive boosts to your farm. You collect them by launching Missi...

If you are fueling a rocket, and using 100% of your eggs for fueling, there will be no eggs left to sell. Tap on mission control (the launch pad) and tap the green disclosure button (three dots) next to the fueling rocket to adjust fuel allocation.