Download these installers for PC and Mac. We are no longer supporting these and they are several years old so no guarantees! Use at your own risk. These are from 2011.
For Mac OS X
naereaon-0-preface-1.0.2-mac.dmg
naereaon-1-boathouse-1.0.2-mac.dmg
naereaon-2-terinon-1.0.2-mac.dmg
For PC
naereaon-0-preface-1.0.2.exe