J-Lab is a location in Escape From Duckov where you can get a lot of high-tier loot. The place, however, requires J-Lab Cards to access. Given the nature of the game, tracking the card down can be tricky. So, if you want to visit these labs and reap the rewards by selling the loot later, this guide shows you some possible locations to find the card to access the J-Lab.
Every J-Lab Cards Available in Escape From Duckov
The game features two levels of J-Lab cards and four color cards. The color cards unlock optional hidden rooms in the J-Lab, while card levels 1 and 2 are the ones that give you primary access to the J-Lab in the first place.
While the card spawns are randomized, thanks to community efforts, we have few confirmed ways of getting them.
J-Lab 1 Card Location

The first J-Lab Card is found in the Hidden Mine, located in the Farm Town region. It spawns around the corners and near mining equipment.
Alternatively, if you complete the quest named “Copy Pass,” you will unlock a merchant named Xiaoming. You can then purchase the pass from Xiaoming, eliminating the urgency and the risk of searching for it in the map.
J-Lab 2 Card Location
J-Lab 2 in Escape from Duckov gives access to the lower levels of the J-Lab map, containing even more loot. Fortunately, if you manage to enter J-Lab in the first place using Lab 1 card, you can get a Lab card 2 drop. Inside the B1 floor of J-Lab complex, you can take out the wanderers. These mobs sometimes drops the card you need, but the chance of getting it is quite low.
Alternatively, the card sometimes spawns inside the office rooms of the first floor of the lab. So, check every furniture, and corners of the office rooms once you are in there. Keep in mind both of these spawns aren’t guaranteed. They do, however, reappear after each reset or raid.
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