The creator of this archive was unable to hack an original One on One disk with the following info; there must be some other step in the process not documented here.

One on One
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The program never asks for the master disk
  (hack for 1.0)
  * search for "2CE0 075B 4274 01C5"
     change to "42BF D8BD 9A4B 3915"
  * search for "D8EF F320 B611"
     change to "D8BD 96C6 C05D"


The One on One disk image in this archive was made by taking a previously hacked version found on the web, deleting extraneous files that for some unknown reason were included with it, combining it with the System file from an original One on One disk, and using ResEdit to return the game's many invisible files to being invisible.  The resulting disk image is bootable with Mini vMac and will work as a separate image mounted with System 6.
