Tiger Woods 99 - Hidden Video in the Game - PSone

Which leads us to the most famous hidden media on a game disc and still on the Psone oddly enough. zzdummy.dat was a way to pad the storage sometimes back when you needed to to fill up the disk for whatever reason. When this was figured out, South Park was almost virtually unknown, but on it's way. And the only way you could play this file was by downloading Quicktime player or MMJ.

Weird huh?

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Update

I forgot to give you the ZZDUMMY.dat file. It is a .dat file and usually they have no file association, but VLC or MPC should play it no problem. Scan it for viruses anyway whether yo trust me or not. It's a good habit to have.... if you're a fucking nerd.