Passwords:

Bishop in Needles Temple of the Mushroom Cloud
Dipstick

To Ellen in Scott's Bar in Quartz regarding room #18 in Stagecoach Inn:
URABUTLN

To riddle drunk in Scott's Bar:
1)toast
2)R -- "...middle of Australia and America"
3)URABUTLN -- 8 letters to compliment the waitress

To Charmaine in Las Vegas Temple of the Mushroom Cloud:
Faran Brygo

For Power Armor in Guardian's Citadel:
Rosebud

To enter Savage Village and to enter Junkmaster's Hut:
Redhawk

Black Market in Darwin Village:
Cretian

Faran Brygo
Kestrel

Bomb Disarm code for Felecia with Ugly in Quartz:
11-27-57-04-30

Launch Code in Temple of Blood:
Motekim

Courthouse in Quartz:
Muerte

Las Vegas Temple of the Mushroom Cloud:
Oppenheimer or Einstein
also, NRC, followed by 'yes'and 'bloodstaff' to enter

Atkinson's Tent in Desert Nomads:
Caterpillar

Acapulco Club:
Acapulco

Fat Freddy:
Bird

Security code for upper level in Finster's area/Darwin Village:
Proteus

30 steps in the one true path on chessboard in Temple of Blood

Max:
1) Android head, ROM Board
2) Fusion Cell, power converter, servo motor, ROM Board
3) Servo motor
4) Servo motor, servo motor

Finster's Head:
1) 32
2) 512
3) 20
4) IQ; 'Finster'
5) Strength; 'nothing'
6) Luck
7) Strength
8) 'Iceberg'
9) IQ