---English-Englisch--- Clean chambers with an intelligent design. ---German/Deutsch--- Saubere Kammern mit intelligentem Design. ---Credits--- @Timmy Boy, @timmycelle

自制中文图合集，综合难度为困难 地图排序按照个人认定的难度从易到难 My collection of Chinese-titled maps,the comprehensive difficulty is hard. The sequence is from easy to hard in my opinion.

Portal 2 Collection!!

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

个人最佳自制图合集 难度从简单到困难不等 大部分纯逻辑 小部分创新

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

A collection of puzzles that have been entered into Trial by Fire #3.

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!