When you get to the Ore Separator, don't blow it up immediately. Instead, jump across the conveyor belts onto the other side of the platform. Walk south and use the keypad there. Then walk down the platform some more until you come to the health machine....
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1. At the DOS prompt type DATE
2. Change the date to December 25
3. run Crusader No Regret
4. Try it with other holidays (I haven't tried any others yet)
