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Constant crashes, can't spawn any items, poor mutant AI, lack of sufficient English translations and from what it would seem according to bmblbx176, is a 90% copy-paste of another mod, but with poorly implemented additions. I would wait a good long while before checking this mod out again. It's a shame because this mod has good potential, but needs time to grow.
Good news is, if you want a 64bit Stalker Experience, that's stable and has a good amount of weapons and gear to choose from, I suggest checking out STALKER Anomaly: