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Fallout 3 Hints
Gain access to Vault 112.
1 of 12: Retrace your route and exit the gift shop area, then fast-travel to Megaton for trade and rest.
2 of 12: After that, see if you can fast-travel any closer to your destination, which is Smith Casey's Garage (location 3 on the Zone 7 Map).
3 of 12: Get as close as you can, then go the rest of the way on foot. Use standard exploration tactics, such as sticking to roads when you can, and using my zone maps to help you see where discoverable locations are along the way.
4 of 12: Once you make it to the garage, find the door near the SE corner of it that you can enter through.
5 of 12: Look through both big garage rooms to find radroaches and mole rats to kill, then search for supplies. (Don't miss the Lockpick skill book in the open safe that's next to the mattress with a skeleton on it.)
6 of 12: Look near the north corner of the larger room to find an electrical switch on the wall that you can use.
7 of 12: That'll open the large trap doors in the floor nearby. Go down the stairs past them with a weapon out and ready to kill mole rats.
8 of 12: In the generator room, go down the stairs to the lower floor, then through the door to Vault 112.
9 of 12: Move down the passageway to reach the official Vault 112 entry door.
10 of 12: Use the control panel that's just to the right of the door, then wait for it to roll aside.
11 of 12: Past it, go up the steps and turn left to find a door to go through, followed by another door.
12 of 12: Past the second door is a friendly robobrain that will give you a Vault 112 jumpsuit.
