Not sure if many reviews of Scourge but Quickybaby has a Review of IS-3 Auto and maybe IS-5 as well.
For Scourge, i'd recommend searching Console CC's such as Cpt Beardface, Bullvyi, Spartan Elite 43 for example, i don't watch Console CC's religiously though but would have a look.
All three virtually play the same however but heard lots of Bad things about Fatherland IS-3 A but it's not a bad tank (weaker IS-3).
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***: Churchill III, **: UDES 03, Tiger Hammer, Pz Sfl IVc, Ram II, *: AMX 13 75, AMX 12T, VK 28.01, Obj 430 II, Obj. 416, T95E2, Motherland, Revalorise, AMX CDC, Centennial, Leo, Comet, Champion M10, Strv 74, Type T-34 (My First MOE), T-34, T-10, AMX 50 100, VK 45.02 A, Gorynynch KV-5, Tiger P, AMX M4 45, Tog II, KV-2, VK 30.01 H, T1 Heavy, OI Exp, KV-1S, KV-1, Waffle Pz IV, Jpanther II, ISU-130, AT-15, T67, M12, Gw Panther
