MAP07: Research Lab (Doom 64)

MAP07: Research Lab is the seventh level of Doom 64, designed by Tim Heydelaar. The level is where creatures are being kept for study, but most have escaped. The level introduces nukage for the first time along with the radiation shield which appears as a bio-hazard sign instead of an actual radiation suit. It uses the music track "Relentless Coil".

Secrets
1. In the room where the Blue key is lying, in the left corridor to the key, check the left wall before the door.

2. In the lobby full with broken monitors on the walls and blue door, go left to the 4th room at the end of the lobby, there is a shotgun on a platform and a small health pack, there is a broken monitor showing statics on the right, jump into it to reveal a hidden passage with secert map.

3. After picking up the Blue key, the wall behind it will left up revealing a Supercharge.

4. Access the Blue door, at the straight end where the left is, lower the left and check the right wall for a hidden door.