SpreeTop pick
2.5SC+ 25,000 GC
Worth about $2.50 to redeem · no purchase necessary2 of the 43 casinos we review run games from Koala Games, ranked the same way as the rest of the site.
Game studios come from each casino's own published lineup and can change as they add or drop providers.
Koala Games is an independent studio launched by RubyPlay, staffed with veterans of social casino games. Its debut slots were Voltage Blitz Vortex, Voltage Blitz Egypt and 3 Big Barrels Buffalo, and Voltage Blitz has since become a long-running series.
Source, checked October 2026: RubyPlay: Koala Games launch.
Koala Games is a niche game studio: only 2 of the 43 sweepstakes casinos we review carry it.