. Wikia
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. Official Ultimate Sigmastorm 2 Guide
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. Overall Stats For All Class Sets Cyborg
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. Overall Stats For All Class Sets Mutant
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. Overall Stats For All Class Sets Soldier
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. Overall Stats For All Class Sets Purist
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. Skills Guide for All Classes
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. TheRaider's Mission Guide and Walk through
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. The SigmaStorm2 Online Item Database
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. Equipment List (not complete)
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