Tek Lab 1

Some evil tricks&traps and quite a challenge, interesting progress, too bad the texturing is often weird/ugly. Play without distraction. 4/5

Awesomely unique hardcore flavor ;) 5/5 - Belial

A thoroughly evil map - large, challenging, complex and frustrating. Not for everyone.

This is from November 1995. It has larger rooms and more monsters than most levels from the period; it's still quite challenging today. It looks awful, though, and there are too many switch hunts at the beginning especially. There are a couple of bits later on where you can get stuck, and the level blocks you off with invisible walls. There's a horrible bit with strobing lights that stabs my eyes, and the finale doesn't work. But it's no softie.

This is pretty much the best Doom 2 level on these pages. There are errors with buttons at the beginning but it's well worth it if you persevere with it.