Hey Szkodnix i have made test chamber 3 and 4 of G-test! And if your wondering who i am its that bassgh guy. I just canged my name and you will also have to redownload my maps because i did some editing for them. So its G-test 3-Crushing some Turrets and G-test 4-Rooms. I got the Bee mod for portal and it adds way moar stuff for the portal 2 map maker! You could use it for your test chambers and stufff.