Ok neither did I lol but here Ill try to describe it.
The Main Goal of each game is to exterminate the other team. To do this, you must eliminate all the opposing players and all of their spawn spots, so they cannot respawn. When a side is totally eliminated, the other team wins. For humans, they spawn from teleporters. Aliens spawn from eggs, which regrow after an alien emerges. Each side has one class which can build new spawns, create defenses and possibly repair friendly units. This class is the engineer for the humans and the Breeder for the aliens. There is a limit on how many structures you can build in a single game - the number on the top right side of the screen is how many build points your team has left to build. Some maps have different objectives that need to be fulfilled in order to win, these will usually be explained when you first enter the level at the introduction area.
When you start the game, you will only be able to pick two classes - the 'builder class' and the 'base class' (engineer, grunt or breeder, hatchling).
So apparently this whole mod is inspired by aliens. Anyone else want to post knowledge or info of this mod? For humans theres the engineer class, grunt class, shock trooper, biotech, heavy trooper, commando, exterminator, and mech.
For aliens theres breeder, hatchling, drone, wraith, kamikaze, stinger, guardian, and stalker.
Now this is what I was thinkin for Colonial Marines.
Aliens have Queen, Praetorian, Drone, Runners, and maybe some others ive yet to think of...the facehuggers and chestubursters would be in the cycle. You could have drones drag bodies to the nest to be eaten by chestbursters or to safety so when a facehugger impregnates a marine the body isnt camped.
The humans would have a engineer, light marine, heavy marine, synthetic, and mech(whatever the yellow thing is) the equivilent to a mech for aliens could be a...idk predalien? Wouldnt make much sense. Unless praetorians are huge.