I agree, this engine is perfectly suited for a JP mod, perhaps make the textures alittle darker, I get the feeling im running around in a resort with the bright and cheerful colours in Far Cry.
On the other hand due to my clamorous interest for a Jurassic Park game I think it would be better of being a seperate game using the CryEngine done by professionals sold in retail stores.
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I'll sell your memories for fifty pounds per year.