When new bugs are added to the list, they are not always just stuck on to the end. Generally I try to arrange bugs for each game in order from least frequently occurring to most frequently, which may mean renumbering them. The discoverer of each bug is listed, when known. These are the bugs that are new to Version 4 of this list:

Most Recently added bugs: Trinity #7, Sorcerer #4, Sorcerer #6, Generic #4, Wishbringer #2, Zork 1 #1, Zork 1 #2, Zork 1 #24 
     Arthur:              #1, #2, #3
     Beyond Zork:         #7, #8
     Border Zone:         #1
     Enchanter:           #6, #11, #12
     Hitchhiker's Guide:  #3, #4
     Infidel:             #6
     Leather Goddesses:   #3
     Lurking Horror:      #8
     Planetfall:          #5, #8, #9, #10
     Plundered Hearts:    #7
     Quarterstaff:        #2, #3
     Return to Zork:      #1, #2, #3
     Shogun:              #1
     Sorcerer:            #4, #6
     Spellbreaker:        #4
     Trinity:             #6, #7
     Wishbringer:         #2
     The Witness:         #2
     Zork I:              #1, #2, #12, #15, #16, #17, #18, #19, #20, #24, #25 #28
     Zork II:             #4, #7, #8, #9, #10
     Zork III:            #12
     Zork:  TUU:          #1
     Generic:             #1, #2, #3, #4

     Nord and Bert Unconfirmed:  11-24-00

A REMINDER: The Zork 1 Invisiclues book contains this question and answer:

Q: Where do I find a machete?
A: There is none. The game must have some limitations. You can't expect to walk to the nearest airport and fly to London to see the British Museum...
It is important to keep this in mind while perusing the list. Some of the bugs herein are legitimate (and amusing) problems, but others are things that would only have been found by enthusiastic players stretching the game beyond reasonable limits, and reflect no discredit on Infocom, Inc.
      Regardless, all bugs are presented here because a) they're fun and amount to unintentional Easter Eggs, and b) they may provide guidance to authors of shareware text adventures about what kinds of problems to look out for when writing their own games. These are things that not only got past the pros, but got past the best of the pros.


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