 | “I can't get over how small you are!” This article is a stub. As such, it is not complete. You can help Portal wiki by expanding it. |
{{Test Chamber Infobox
| | | number = 04 | total = 22 | title = Test Chamber 404 | icon1 = repulsion gel on | icon2 = player button on | icon3 = cube button on | icon4 = cube hazard on | icon5 = pass cube on | icon6 = laser hazard on | icon7 = crusher hazard on | icon8 = blades hazard on | icon9 = laser hazard on | icon10 = cake on | |