A variety that comes from mixing the best Critical genetics from Advanced Seeds with a selection of Rudelaris Skunk, with the aim of reducing the flowering period and maintaining the characteristic flavours and aromas of Critical. Its flowering period is around 8 weeks indoors and early November outdoors. This strain, indoors, reaches a height of 60 to 90 cm; while, outdoors, the height can reach 1.4 m.  It offers yields of 400 to 500 g.

Critical Mass Auto has sweet flavours with fruity touches.