Treasure Nile Progressive Jackpot Slots . Treasure Nile Slots is a five reel, nine payline, and nine coin progressive slot machine and has one of the biggest jackpots in the history of online gambling. Progressive Jackpots games are tied to several other casinos in the same casino software family and continue to build according to how many players are playing and contributing to the jackpot. Treasure Nile slots has a wild symbol and a Progressive Jackpot that is enabled when you bet the max of nine coins at $0.50 each coin for a spin of $4.50 each. The Pyramids symbol is the wild symbol and substitutes for almost all other symbols (except for the Scarab and Pharaoh symbols) to complete the winning combinations. To be eligible for the Progressive Jackpot, you have to bet the max per spin. There have been several players win a million dollars and more on Treasure Nile Slots, when the jackpot is won all of the participating casinos and players are notified at once and the jackpot is reset to start building again.