~ Dark Engineers - Engineers with powers having to do with darkness or dark forces.

~ Light Engineers - Engineers with powers having to do with light or positive forces.

~ Alpha Engineers - Engineers with all-powerful abilities that they use to rule over colonies of Engineers.

~ Terra Engineers - Engineers that are one with nature and the elements or have powers having to do with earth.

~ Supreme Engineers - Engineers that have all the powers of the other Engineers and more.

~ Mystic Engineers - Engineers who have extremely powerful magic and are usually able to manipulate magical energy itself.

~ Life Engineers - Engineers with powers having to do with giving life or being able to manipulate organic matter.

~ Materio Engineers - Engineers who can manipulate all matter that is not organic or biological.

~ Ergonkin Engineers - Engineers with the power to manipulate all aspects of energy.

~ Omni-Engineer - The supreme Engineers who had a hand in creating the whole species; power level rivals that of cosmic entities. There are only two in existence, Ilith and Prometheus.

Hybrids do exist and are a lot more complicated. Those are simply called "Kagathkin". They are Engineers who are not fully pureblooded.