Stoles ore mines Jeseníky mountains.

Thompson, are you playing those computer games again on company time? What did I tell you... hey, that looks interesting. Thompson, out of the chair, I'm commandeering this station. Don't try to argue, as long as you work for me, you do what I say. Yes, ye

This is a special version of the Countdown to Extinction collection. It contains the original maps plus some extra stuff. The difficulty increases as you proceed, so following the suggested map order is highly recommended.

My second map pack. Each map is, more or less, a proof of concept built using Hammer from the Portal 2 Authoring Tools.

All of the maps Ngeruma has shown in one place :)

These are the most difficult maps I've found. They can be hard to figure out, hard to play, or are just plain devious. I have completed every one of these, so none of them are impossible. Don't blame me, blame the creators!

Each map is, more or less, a proof of concept built using Hammer from the Portal 2 Authoring Tools.

My third map pack. Each map is, more or less, a proof of concept built using Hammer from the Portal 2 Authoring Tools.