The PlayStation version , Duke Nukem : Total Meltdown , includes six extra areas and a secret level , which was also included in the PC version . Duke Nukem : Total Meltdown ( titled simply Duke Nukem in Europe ) , the PlayStation version , contains all three original episodes , plus a new one , Plug 'n' Pray , which includes six extra levels and a secret level , the latter which was also included in the PC version .