Groznyj Grad is the installation that Naked Snake must infiltrate in Metal Gear Solid 3: Snake Eater. A new weapon under construction is being housed in the compound there and it must be destroyed - the Shagohod.
The Groznyj Grad installation also makes an appearance in Metal Gear Solid 4: Guns of the Patriots in Metal Gear Online. It's one of the few stages in the online game at the moment. Obviously not a replica of the MGS3 version, but a nice throw-back, nonetheless.
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