Crysis first arrived on the gaming scene in 2007, when it dropped jaws due to its unprecedented visuals. I'm not familiar with the minutia of PC tech, so from what I gathered, the original Crysis required a 400-ton mecha-tower with twin trilithium cores and a subspace generator. None of these things exist, but they illustrate the kind of rig you needed for Crysis to run back in the day...