Each lab code you use in Resident Evil 2 remake opens up one of two locations in the East Area of the Laboratory. The Greenhouse codes will give you access to the drug dispenser in the Drug Testing Lab as well as the hatch that leads to Floor B2. The Greenhouse codes can be found in two separate locations, but change between your 1st run and 2nd run. Below is where you can find both lab codes in Resident Evil 2 and where you need to enter them to defeat Plant 43.
Resident Evil 2 Lab Code – 1st run Greenhouse codes
When you get to the Greenhouse Control Room, you’ll find a panel in the west part of the room that can be used to enter lab codes. These codes will unlock two locations once you find them:
- Drug Synthesis Machine
- Greenhouse Hatch leading to B2
1st Run Greenhouse Hatch Code
This code is easy enough to find and leads directly to where you’ll find the second one. Just walk to the hatch in the southeast part of the Greenhouse and examine it.
Printed right on the top of the hatch is the code. Go back to the control room and enter it and the hatch will open.
1st Run Drug Testing Lab Code
If you head to the Drug Testing Lab, you’ll see there’s a machine you can use to fill the cartridge with the base ingredient for the herbicide. Unfortunately, only the first two symbols of the code are there. The last two have been destroyed and are nowhere in sight.
To get the Drug Testing Lab code that will allow you to access the machine you need to get the first part of the herbicide, head through the hatch in the Greenhouse. After you climb down the ladder, enter the nearby door, and you’ll be in the B2 corridor. You need to head to the Lounge, which is all the way down the hall and to the left (east). On a table there you’ll find a trophy.
If you examine the trophy in your inventory, you can rotate it until you’re looking at the bottom and you’ll see a code. This code can be entered in the Greenhouse Control Room to open up the dispenser.
Resident Evil 2 Lab Code – 2nd run Greenhouse codes
During the 2nd run, the lab codes change, so you can’t use your knowledge of the first playthrough to skip searching them out. Fortunately, they’re pretty much in the same place, so you just have to put in the legwork to get them.
2nd Run Greenhouse Hatch Code
To get the code for the Greenhouse hatch in your second run, you just have to do the exact same thing. Run over to it and look at the lid for the code.
2nd Run Drug Testing Lab Code
This time around you have to walk a little bit further to get this code. The 2nd run Drug Testing Lab code can still be found on the bottom of the trophy, but its location has changed.
To get the trophy in your second run, you’ll have to walk a bit down the hall from the Lounge where you found it in your first playthrough and enter the Low-Temp Testing Lab. Here, you’ll find the trophy on a desk shortly after you enter the room. Flip it over and look at the bottom once more to get the code to the Drug Testing Lab.
Top 10 Most Gruesome Resident Evil Villains
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Top 10 Most Gruesome Resident Evil Villains
Whether you're playing as Jill Valentine or the esteemed Leon S. Kennedy, the Resident Evil series always has unique foes to throw your way. Here is a quick summary of what you can expect as you work your way through the many mansions and labs of Umbrella Corps. (Some spoilers ahead!) -
Alexia Ashford
A clone of a British noblewoman, Alexia injects herself with a strain of T-Virus while in cryosleep. The resulting monster is a blue-skinned boss that takes gunfire like a champ and spews fire. Only something as powerful as the Linear Launcher is able to take her down after a few mutations. -
Dr. Salvador
Commonly referred to as the Chainsaw Man, the good doctor relentlessly chases Leon Kennedy through the streets of Spain in Resident Evil 4. Leon has to be quick on his feet and fast on the trigger to avoid decapitation. Just don't use a pistol, he can absorb those shots with ease. -
Jack Krauser
Jack Krauser is an experienced military man who takes mercenary work on the side. This puts him into a partnership with Leon Kennedy as they take on the bioweapons in Resident Evil 4's Spain. Eventually, Jack succumbs to the virus, growing a nasty arm blade, and a violent temper. -
Lisa Trevor
A mutated hunchback from the original Resident Evil, Lisa spent years undergoing Umbrella experiments. She drapes herself in the flesh of her victims, namely anyone unfortunate enough to be wandering the halls of the mansion. Distinctive features include uncanny eyeballs and a propensity for lunging at anything that moves. -
Mimicry Marcus
A walking, grunting bomb of leeches, you don't want to get in close quarters with a Mimicry Marcus. Taking the form of James Marcus, it can stretch out its limbs for a whip attack or wrap them around you and start strangling. As it dies, it explodes into smaller enemies for you to take on. -
Nemesis
There's a reason that Resident Evil 3 is subtitled Nemesis. This trenchcoat wearing creature hunts players all throughout the third entry in the series. Its unique visage and signature style made it popular. Nemesis eventually appeared with its rocket launcher as a playable character in the Marvel vs. Capcom series. -
Neptune
Neptune may not be the biggest or the baddest Umbrella creation you'll face in RE, but he is a zombified shark. Any mad scientist creating abominations would at least consider creating shark monsters. So, of course, we have a whole breed of Neptunes swimming around. Watch out for the teeth. -
Ramon Salazar
Ramon's distinctive look may cause some confusion. Despite his small stature and grey hair, he's just 20 years old at the time of Resident Evil 4. Setting off the events of the game by kidnapping the President's daughter, he's flanked at all times by a pair of imposing bodyguards. -
Tyrant
The mass produced versions of the species of monster that also brought us Nemesis, these Tyrants served under Alfred Ashford during Code Veronica. While they're a little easier to take down, you'd probably rather be fighting run of the mill monsters. Thankfully, they haven't spread to the rest of the series. Yet. -
William Birkin
A child prodigy and head researcher at Umbrella, William turns against his employer when he's looked over for a promotion. One game of plot later, he's a hulking monster with an eyeball shoulder pad and several forms to fight. Thus is the cycle of Resident Evil big bads.
