Premium Trilogy

The 0verflow Premium Trilogy is a collection of 3 preceding games made in 2006. These were:
 * 1) Large PonPon from 1999
 * 2) Pure Mail from 2000
 * 3) Overflow Pleasure Box from 2001

The trilogy also included some extras, such as a family chart which linked characters from these games to those from the later productions from 0verflow such as the Radish Vacation series or the Days series.