Many online slots at Chumba Casino start from low stakes of just 10 GC or 0.01 SC. This is basically the equivalent of $0.01 per line, which qualifies them as penny slots. Top titles in this category include Stampede Fury, Cobra Room, and Empire Reels. Buffalo Rush also comes recommended as one of the cheapest slots, with stakes from just 400 GC for 1,024 ways to win.