Underground Bunker

1️⃣ Exit: Vehicle
👣 Explore: 

Down > Down > N > E > S
S > Down > Down > N > N
W > S > Down > Down > N > E

2️⃣ Talk: Wasteland Resident Female Stranger 3 times
🎁 Reward: Launch Key Card
👣 Explore: S-S
3️⃣ Talk: Wasteland Resident Male Stranger 3 times
🎁 Reward: Launch Key Card
👣 Explore: N
4️⃣ Use: Computer Terminal

↔️ Here you can chose the achievement you want to get:

To get the Good Riddance! achievement:
5️⃣ Use: Push Button Start Ignition
👣 Explore: N
6️⃣ Talk: Wasteland Resident Female Stranger
👣 Explore: S

To get the Bon Voyage! achievement:
5️⃣ Use: Push Button Activate Boarding Ramp
5️⃣.5️⃣ Use: Push Button Start Ignition
👣 Explore: S
6️⃣ Talk: Wasteland Resident Male Stranger
👣 Explore: N

👣 Explore: 

N > W > S > Up > Up
N > E > S > S > Up 
Up > N > N > W

7️⃣ Use: Box
🎁 Reward: Netherworld Smelling Salts (1%) + Bag of Fancy Trinkets + Mystery
👣 Explore: S > Up > Up
🚙 Use: Vehicle (8 min)