HalluciGen, Inc.

HalluciGen, Inc. is a location in the Commonwealth in 2287.

Layout
When the Sole Survivor first encounters the facility, there has been a chemical leak and all the NPCs are attacking one another. Towards the end there is a decontamination chamber that cures radiation poisoning.

The layout of the building can lead to some confusion due to the amount of collapsed floors. It would appear that the reception area after entering the main front door opens onto the second floor.

To access the third floor, the player character may need to walk into a wall painting blocking the doorway to the staircase leading to it to nudge it out of the way. Further, two inactive protectrons may block the way into the first room on the third floor requiring their destruction.

At some point, one can ascend into a corridor with several doors, which are opened by buttons. There are Gunners fighting behind each of them. Instead of opening the doors and simply killing them, a jump to the balcony with a staircase will lead upstairs where there's a room which will greet the player character with an announcement and invite them to test some products. Pressing the various buttons in this room will emit poisonous gases to the rooms downstairs, where the Gunners are. A terminal in this room reveals that the rooms below were actually used to demonstrate the products to VIPs, after which the rooms should be 'cleared of test subjects, blood, fluids'.

Behind the building there is an exterior room with a green Gun Shop sign, inside is a power armor station, a chemistry station, and a weapons workbench.

Entrance area

 * Two Help wanted! notes - On the entrance reception desk.
 * Five drugged water in the entrance room: one on the small table immediately to the right after entering the building from the main entrance; four more behind the reception desk.
 * Day Tripper In the toilet bowl after passing through locker/shower room.
 * Tesla Science Magazine issue #7 - Entrance level, northeast corner of the building, after ascending via a collapsed section of roofing. This is the room with the research terminal controlling a HalluciGen Suppressor prototype device.
 * Note from Eric - On a desk beside the accounting terminal on the second level.

Testing chambers

 * Two drugged water cartons in a testing room with two Gunners locked in.

Basement

 * HalluciGen master password - Can be obtained from the mainframe access terminal, gives access to the lab access terminal, decontamination terminal, research terminal and the CEO's terminal.
 * Nine HalluciGen gas canisters - All located in the same room as the Gunner commander. One unit is needed for the miscellaneous quest Hazardous Material given by Fred Allen in Goodneighbor, and some people report that it does not spawn until his quest is initiated. This room is reachable from the interior by a terminal with an expert lock. Alternatively, the room can be accessed directly from the Commonwealth through a back door with a master lock, bypassing most combat and chemical exposure.
 * 14 ruptured HalluciGen gas canisters - All located in the same room as the Gunner commander.
 * Stealth Boy - In an open safe in the same room as the Gunner commander.
 * HalluciGen mission brief and Gunner's note - On the Gunner commander.
 * Nuka-Cola Quantum - In the same room as the Gunner commander.
 * HalluciGen key - In a steamer trunk near the north exit to Esplanade, another copy is on the Gunner commander.

Appearances
HalluciGen, Inc. appears only in Fallout 4.

Behind the scenes
The effects of the gas seen in the game are similar to those of the real life 3-quinuclidinyl benzilate gas, tested by the US military.

Gallery
HalluciGen, Inc. Корпорация «ГаллюциГен»