A Direct to home video , It a cross between Jurassic Park and the Condemned. A group of death row inmates are put in a virtual reality game where they fight Dinosaurs and each other to survive.
That description make the movie sound better then it is

The Characters are crazy. There the innocent man who keep trying to team up with the others even though they are all crazy killers.
At least one of the inmates is a Cannibal.

And then there the people running the game. They are just as crazy as the inmates,
This need to be riiff.