Keys and keycards

68 keys, J-Lab cards, certificates and boat tickets, grouped by the map where they are used. Ordinary keys have no durability and can be reused; certificates, tickets and the Labyrinth Keycard are used up on entry.

The Key Case (Farm Town Mysterious Merchant, 111,712) holds eight items tagged as keys, including tickets and certificates. Registrable keys can be entered at the bunker's Key Registration Device; keys marked "No" there cannot.

68 keys

Key	Map	Opens	Where to get it	Uses	Register
Factory Access Card工厂门禁卡	Ground Zero; Warehouse Area	Ground Zero: factory gate near Road Camp; Warehouse Area: Western Factory north gate	Kill drop: Lost Spider-Bot (Farm Town, appears after 22:00 at Makeshift Construction Site east lot) Kill drop: Super Spider-Bot (Lab Area 37) Kill drop: Pato Chapo (Ground Zero; also listed for Storm Area) Quest reward: Key Personnel (Xavier) gives one back after submitting one Random containers	Reusable	Yes
Gray House Key灰房子钥匙	Ground Zero	Gray House (residential house) door	Sometimes stocked by the Black Market Contact Point (random stock) Random loot	Reusable	Yes
Lv.3 J-Lab CertificateJ-Lab三级凭证	Ground Zero	"Storm Contamination Area" fence on the Forest Path road (south-west Ground Zero) leading to the Storm Area portal; consumed	Fixed drop from Roadblock (J-Lab B1 north-west arena)	1	No
Mechanical Key机械钥匙	Ground Zero	Car door of the tank truck at the far east end of the Ground Zero road (Pocket Watch for quest Bronze Pocket Watch)	Bunker vending machine (Variety Shop) 660 (value 220), stock 1 Random containers (file cabinets, toolboxes)	Reusable	Yes
Safe Key保险箱钥匙	Ground Zero	Safe at Ground Zero Road Camp holding the Navigation System blueprint (quest Interstellar Navigation)	Fixed spawn in Warehouse Area house (75% at its spawn point)	5	No
Storage Fence Key杂物围栏钥匙	Ground Zero	Storage fence (miscellaneous storage on the hill)	Fixed drop (100%) from a Hiding Spot in Ground Zero; needs a Shovel	Reusable	Yes
Abandoned Gas Station Key废弃加油站钥匙	Warehouse Area	Abandoned Gas Station shop (food supplies, cash register)	Random containers (file cabinets, cabinets, stashes, clothes)	Reusable	Yes
Cellar Crossroad Key地窖岔路钥匙	Warehouse Area (Cellar)	Cellar crossroad gate leading to the Warehouse Mysterious Merchant (sells storm worksuit etc.)	Kill drop: Mad Bomber Random loot	Reusable	Yes
Cellar Fence Key地窖围栏钥匙	Warehouse Area (Cellar)	Fence gate inside the Cellar (Hot Blood Injector blueprint behind it)	Kill drop: Mad Bomber Random containers	Reusable	Yes
Cellar Key地窖钥匙	Warehouse Area	Cellar entrance (house south of the Ravine; second entrance from Western Factory); gas mask needed inside	Kill drop: Mad Bomber (Farm Town Makeshift Construction Site or south-west Gas Station) Random loot	Reusable	Yes
Factory Office Key厂区办公室钥匙	Warehouse Area	Factory Office in the northern factory building of Western Factory (has a dismantling station)	Random loot	Reusable	Yes
Residential House Key民房钥匙	Warehouse Area	Residential house on the road west of the Lumber Mill	Random loot	Reusable	Yes
Safe House Compartment Key安全屋隔间钥匙	Warehouse Area	Safe House compartment (Safe House, reached by the northern road west of East Road Camp)	Random containers, clothes or ground spawn a shovel Hiding Spot south-east of the Safe House can contain it	Reusable	Yes
Small Compartment Key小隔间钥匙	Warehouse Area	Small compartment in a house near the Safe Key spawn	Random containers	Reusable	Yes
Construction Shed Key工棚钥匙	Farm Town	Construction site work shed (container-style room behind the Abandoned Construction Site; thruster researcher home for quest Vector Thruster II)	Random loot; quest text says the owner hides the key near his house north of the Construction Site Dormitory	Reusable	Yes
Dorm Room 101 Key宿舍楼101钥匙	Farm Town	Dorm Room 101, Construction Site Dormitory	Tech Center (Xiaoming) 7,000, stock 1 Clothes / random loot	Reusable	Yes
Dorm Room 103 Key宿舍楼103钥匙	Farm Town (also a door in Zero-Degree Challenge)	Dorm Room 103, Construction Site Dormitory (south of Hillside Farmhouse)	Clothes / random loot	Reusable	Yes
Dorm Room 106 Key宿舍楼106钥匙	Farm Town	Dorm Room 106, Construction Site Dormitory	Clothes / random loot	Reusable	Yes
Headmaster's Office Key校长室钥匙	Farm Town	Headmaster's Office at the School	50% spawn in the school security room, top-right of the School Random loot	Reusable	Yes
House Key 01家门钥匙01	Farm Town	Locked house (two doors) south of Hillside Farmhouse across the bridge, near the first Farm Town entry	Random loot	Reusable	Yes
Lab Area Ferry Ticket实验区船票	Farm Town Lumber Mill west dock <-> Lab Area 37	Boat to Lab Area 37	Quest Distress Signal reward (1 ticket) Tech Center 7,150, stock 2, after Distress Signal	1	No
Labyrinth KeycardLabyrinth钥匙卡	Farm Town (Sanatorium) -> Labyrinth	Encrypted access below the Sanatorium leading into the Labyrinth; used up on entry	Quest Mysterious Keycard reward (1) Tech Center after Mysterious Keycard, stock 2	1	No
Mine Manager's Iris Data矿长的虹膜信息	Farm Town	Hidden Mine door (two doors)	Drops from Mine Manager (Farm Town south-east Gas Station / Hidden Mine) when not killed by a headshot	Reusable	No
Mysterious Key O神秘钥匙O	Farm Town	Mysterious Room O (red O marker), houses east of the Mercenary Camp	Farm Town Mysterious Merchant 253,228, 50% stock chance Black Market Fixed spawn point in Ground Zero (20% at its spawn point) Shotgunner low-chance drop	10	No
Mysterious Key X神秘钥匙X	Farm Town	Mysterious Room X (red X marker) at the Makeshift Construction Site	Farm Town Mysterious Merchant 151,675, 50% stock chance Black Market Very rare container drop; Shotgunner low-chance drop	10	No
Northern Factory Cabin Key北厂区小屋钥匙	Farm Town	Cabin at the north-west corner of the Northern Factory	Random loot	Reusable	Yes
Restaurant Compartment Key餐厅隔间钥匙	Farm Town	Restaurant compartment (north kitchen of the Restaurant; two doors)	Random loot	Reusable	Yes
Sanatorium Machine Room Key疗养院机房钥匙	Farm Town	Sanatorium machine room	Random loot	Reusable	Yes
Sanatorium Restaurant Key疗养院餐厅钥匙	Farm Town	Sanatorium restaurant (three doors)	Farm Town Mysterious Merchant 4,390, stock 1 (since 1.0.31) Random loot	Reusable	Yes
Sanatorium Restroom Key疗养院厕所钥匙	Farm Town	Sanatorium restroom door (route to the Labyrinth entrance)	Ground spawn in Farm Town Random loot	Reusable	Yes
Sanatorium Room Key 1疗养院房间钥匙-1	Farm Town	Sanatorium room 1	Farm Town Mysterious Merchant 2,140, stock 1 (since 1.0.31)	Reusable	Yes
Sanatorium Room Key 2疗养院房间钥匙-2	Farm Town	Sanatorium room 2 (required by quest Promotion to Expert Courier)	Farm Town Mysterious Merchant 3,770, stock 1 (since 1.0.31) Random loot	Reusable	Yes
Southern Factory Keycard南厂区钥匙卡	Farm Town	Four Southern Factory gates (Southern Warehouse area)	Kill drop: Lost Spider-Bot Random loot	Reusable	Yes
Staff Apartment 101 Key员工公寓101钥匙	Farm Town	Staff Apartment 101, Office Building Apartment	50% spawn inside J-Lab Random loot	Reusable	Yes
Staff Apartment 102 Key员工公寓102钥匙	Farm Town	Staff Apartment 102, Office Building Apartment	Random loot	Reusable	Yes
Staff Apartment 105 Key员工公寓105钥匙	Farm Town	Staff Apartment 105, Office Building Apartment	Random loot	Reusable	Yes
Supermarket Compartment Key超市隔间钥匙	Farm Town	Supermarket compartment (north-west side of the Supermarket; high-value loot)	Random loot	Reusable	Yes
Zero-Degree Challenge Ticket零度挑战船票	Farm Town Lumber Mill west dock <-> Zero-Degree Challenge	Boat to the Zero-Degree Challenge and back	Farm Town Mysterious Merchant 6,000, stock 3, no quest needed Bunker vending machine 8,000, stock 3, after quest New Route Low-chance container drop	1	No
J-Lab Access Card (Black)J-Lab门禁卡（黑）	J-Lab B2	Black Card Room (B2): DT MDR-762 blueprint, injector loot	Farm Town Mysterious Merchant 203,700, 50% stock chance Marked X/O rooms	Reusable	Yes
J-Lab Access Card (Blue)J-Lab门禁卡（蓝）	J-Lab B1	Blue Card Room (B1): Color Monitor blueprint	Mine Manager (Farm Town) low-chance drop Marked X/O rooms J-Lab B1 Red room Drop from the ??? creature (Farm Town, Lab Area 37)	Reusable	Yes
J-Lab Access Card (Green)J-Lab门禁卡（绿）	J-Lab B1	Green Card Room (B1): T-7 Thermal Sight blueprint, electronics	Fixed spawn point in J-Lab (7%) Marked X/O rooms B2 blue meeting room, B2 prison office	Reusable	Yes
J-Lab Access Card (Purple)J-Lab门禁卡（紫）	J-Lab B2	Purple Card Room (B2): SLI graphics card blueprint + 2 J-Lab crates	Fixed spawn in Farm Town shed north/east of the Lumber Mill (4% at its spawn point) Marked X/O rooms	Reusable	Yes
J-Lab Access Card (Red)J-Lab门禁卡（红）	J-Lab B1	Red Card Room (B1): Advanced AP Sniper Bullet blueprint (first visit), random Space Protection Helmet	Fixed spawn point in J-Lab (10% at its spawn point, inside the Blue Card Room) Marked X/O rooms Drop from the ??? creature in Farm Town	Reusable	Yes
J-Lab Access Card (Yellow)J-Lab门禁卡（黄）	J-Lab B2	Yellow Card Room (B2): weapons and attachments	Fixed spawn point in J-Lab (7% at its spawn point) Low-chance drop from the Farm Town Mysterious Merchant if killed Marked X/O rooms J-Lab B1 second hall outside screening room; south-west office	Reusable	Yes
J-Lab Screening Room KeyJ-Lab放映室钥匙	J-Lab B1	J-Lab Screening Room (Duck Miner cartridge spawns inside; Lv.2 Certificate spot nearby)	Random loot	Reusable	Yes
Lab Area Teleport Zone Key实验室传送区钥匙	J-Lab	Gate of the J-Lab Teleport Zone (1.3.12 path from J-Lab to the Storm Area)	Ground spawn in the Storm Area: table north-west of / beside the path near Teleport Bubble 1 (bottom-right bubble)	Reusable	Yes
Lv.1 J-Lab CertificateJ-Lab一级凭证	J-Lab (entry from Farm Town Office Building basement)	J-Lab entrance door; consumed on use	Fixed spawn in Farm Town (Hidden Mine) 100% at its spawn point Tech Center (Xiaoming) 2,000 after quest Copy Pass, stock 3 Farm Town Mysterious Merchant 3,000, 50% stock chance Kill drop: Wanderer (J-Lab) Quest Mysterious Door Key returns one	1	No
Lv.2 J-Lab CertificateJ-Lab二级凭证	J-Lab	B2 core-area door (power room with invisible enemies and Black Spider-Bot); its lever opens Roadblock arena on B1. Consumed.	One guaranteed fixed spawn on J-Lab B1 (always spawns) Colour-card rooms, Marked X/O rooms, Wanderer drops	1	No
Air Defense System Key防空系统密钥	Storm Area	Air Defense System console (north-east Storm Area); used for ending choice	Fixed drop from Koko Koko	Reusable	No
Mysterious Key Z神秘Z钥匙	Storm Area	Mysterious Room Z on the south-westernmost island (no map marker); J-Lab-crate loot and Space Glick; loot increased in 1.3.12	Craft at Workbench: Mysterious Key X + Mysterious Key O + 3x 0.2 BTC (blueprint from data box on the small island south-west of the Air Defense System, added 1.3.10)	10	No
Engineer's House Key工程师家门钥匙	Lab Area 37	Senior Engineer's house (two doors, near the Village)	Kill drop: Senior Engineer (Farm Town Southern Warehouse)	Reusable	Yes
Hunter's House Key猎人家门钥匙	Lab Area 37	Hunter's houses (two: west near Substation, east near Weather Station)	Kill drop: Hunter	Reusable	Yes
Presidential Suite Key总统套房钥匙	Lab Area 37	Hotel Presidential Suite (Poop Gun Range Module printing data in the bathroom)	Ground spawn in Labyrinth 50% ground spawn in Lab Area 37 Random loot	Reusable	Yes
Small Control Room Key小控制室钥匙	Lab Area 37	Small control room inside the Military Base	Random loot	Reusable	Yes
Space Lab Key空间实验室钥匙	Lab Area 37	Space Lab (north side of the Military Base, turret-guarded; LightSaber printing data)	Random loot	Reusable	Yes
Space Lab No. 2 Key2号空间实验室钥匙	Lab Area 37	Space Lab No. 2 (Military Base storage block)	Kill drop: Goofy Goose Random loot	Reusable	Yes
Tank Garage Key坦克房钥匙	Lab Area 37	Tank Garage, Military Base (2.3.30 added two safes and one weapon crate, chance to spawn)	Random loot	Reusable	Yes
Villa Key别墅钥匙	Lab Area 37	Villa (blueprint Intermediate AP Arrow inside)	Ground spawn in Lab Area 37 (one point)	2	No
Interrogation Room Key审讯室钥匙	Labyrinth	Interrogation room	Kill drop: Tagilla (Labyrinth) Ground spawn in Lab Area 37	Reusable	Yes
Iron Gate Key铁门钥匙	Labyrinth	Iron gates (two gates)	Kill drop: Killa Ground spawn in Lab Area 37	Reusable	Yes
Labyrinth Lounge Key迷宫休息间钥匙	Labyrinth	Labyrinth lounge	Kill drop: Scavenger (Labyrinth)	1	No
Container Key集装箱钥匙	Zero-Degree Challenge	A locked shipping container (new area toward Frost Commander; Cube Gun Smart Module blueprint)	Drop from Big Ice	Reusable	Yes
Golden Key金钥匙	Island Challenge	Safe in the Island Challenge	Kill drops from island bosses: ???, Triple-Shot Man, Rampaging Arcade, Fly Captain, Orange, School Bully, Shotgunner, Speedy Group Commander, Vida	Reusable	No
Hilltop House Key山顶房屋钥匙	Island Challenge	Hilltop house	Kill drop: Fly Captain (Island Challenge)	Reusable	No
Island Facility Keycard小岛设施钥匙卡	Island Challenge	South-eastern island facility (three doors)	Island vending machine, stock 1 Kill drops: ???, School Bully, Speedy Group Commander; Triple-Shot Man, Shotgunner, Vida	Reusable	No
Challenge Ferry Ticket挑战船票	Demo Challenge (from the bunker sewer boat)	Boat to the Demo Challenge	Rewards of Commemorative Trophy quests (3 from Butcher Knife Master, 3 from New Challenge) Bunker vending machine 10,000 after quest New Challenge, stock 3	1	No
Ferry Ticket船票	Bunker / Ground Zero sewers <-> Farm Town dock	Boat between the Ground Zero (bunker) sewers and Farm Town dock	Bunker vending machine 5,000, stock 3 Farm Town Mysterious Merchant 6,000, stock 3	1	No
Key Case钥匙包	–	Container: holds 8 items tagged "Key"	Farm Town Mysterious Merchant 111,712, stock 1 (sold since 1.1.6)	Reusable	No

Key rules worth knowing

Mysterious Keys X, O and Z have 10 uses each. Z is crafted at the workbench from X, O and three 0.2 BTC once you find its blueprint in the Storm Area (added in update 1.3.10).
The Safe Key has 5 uses and the Villa Key 2.
Mine Manager's Iris Data fits in the Key Case since update 1.3.12.
The Labyrinth Lounge Key, Island Facility Keycard and other challenge keys cannot be carried out of their map.
Lv.1 J-Lab Certificates can be bought from Xiaoming for 2,000 (stock 3) after the quest Copy Pass.

Uses, registration and Key Case eligibility come from item tags and durability in the game data exported by escapefromduckov.net; locations from the Bilibili wiki key pages, Fandom and the Wand interactive maps. Shop prices are the shop's listed price at update 2.3.30; stock refreshes over time.