I think All American: 82st Airborne in Normandy has to take the cake. It's the sequel to 101st Airborne in Normandy, a PC game from the mid 90s. It was slated to be released in 1997 but is still "in development" and the producer is still taking pre-orders for $54.95.

Look at the minimum specs!

General minimum requirements:
Pentium II 300 MHz
32 MB RAM
Minimum 250 MB hard drive space required
6X CDROM
Windows 95 or better
Windows compatible sound card


http://www.shrapnelgames.com/Shrapnel_Games/AA/AA_page.html

Last edited by mugwump; 08/20/15 10:58 AM.

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