Cash Connection - Book of Ra has been catching plenty of attention, so we put it through its paces to see how it really holds up. This is a Greentube title, sitting firmly in the a high-variance maths model bracket and paying back an RTP of 95%. The maximum win sits at 41,900x, so there's serious upside on the table. It first went live in 2021 and still earns its place today. It's themed around book of and plays out on 10 paylines across 5 reels. So does it deliver? Let's get into it.
Written by Alex Crawford · Last updated: February 2026
This slot, Cash Connection - Book of Ra, is the work of Greentube. Presentation-wise it's wrapped in a book of theme, and it leans toward a high-variance maths model at an RTP of 95%. Under the hood you'll find 10 paylines across 5 reels.
Where Cash Connection - Book of Ra earns its keep is the feature set. A progressive jackpot adds a wildcard payout that can land at any time. Look out for scatter symbols that unlock free spins and extra bonus rounds. With high variance, this one is aimed at players who can ride out the swings for the top wins. All told, it's a serviceable entry in the Greentube catalogue.
At 95%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Cash Connection - Book of Ra features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
Cash Connection - Book of Ra features a progressive jackpot that grows with every spin placed by players across the network. The jackpot can be triggered randomly or through a special bonus feature, offering the chance to win a life-changing sum. The jackpot continues to grow until one lucky player hits the winning combination.
2.9 / 5 — Average
Cash Connection - Book of Ra by Greentube provides a straightforward slot experience. While it may not break new ground, it offers high volatility gameplay that will appeal to certain player preferences.