Crysis --> "This is the second v1.2 patch for the critically acclaimed Crysis. Patch 1.2 can be applied to both vanilla Crysis (v1.0) and Crysis v1.1 since it will update automatically to Crysis version 1.2"
so you can just apply that patch and you're set
STALKER SoC --> you can read the info on each patch version here http://www.strategyinformer.com/pc/patches/stalkershadowofchernobyl/patch.html
and see what has to be done.