- Earn your first money by pressing a "Y" button.
- Increase your income by buying new elements of Alien Engine like tentacles, plasma balls, light spheres.
- Use an Exposure to upgrade all your engine parts.
- Photon speed decreases your engine phase and your engine will earn more money every second.
- Learn new technologies to open Сryochamber, Superluminal Engine and Wormhole.
- Beware of breakdowns! Breakdowns will decrease your income money every second.
Build a full Alien Engine and earn a billion dollars!

More details on the official game page of Alien Engine ...