do i have to use https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2106766023

That stinks.

no, since it require you to kill all the exact protozan from the xen campaign

Can this map be used to cheese the Prolific Popper achievement?

very intersting idea, i tough about making a survival map with ichty this could be it, i will write that down for sure

I have a map idea. it's meant to kinda give a Subnautica vibe, well anyways here it is: First of all, you spawn on this room (which is floating on the water) and the room has the HEV suit, a crowbar, and a crossbow. Oh yeah and outside of the room there is water EVERYWHERE. you can sink extremely deep into the water and find ichthyosaurs. And one more thing: Make sure to use murky-ish water textures and a xen skybox if you do make this idea real.