The Jackpot King Tax: How Blueprint's Progressive Quietly Drains Your RTP

Blueprint Gaming's Jackpot King progressive network connects dozens of UK slots to a shared prize pool. The network has paid nearly £200 million since launch, including 30+ million-pound wins. The marketing story is compelling. The mathematical story is less flattering.

Every Jackpot King-connected slot diverts a portion of each stake to the progressive pool. This contribution comes directly out of the base-game RTP — meaning the published "total RTP" includes jackpot return that only materialises if you win one of three astronomically rare progressives (Regal, Royal, or Jackpot King). For the vast majority of players who do not hit a progressive, the actual experienced RTP is the base figure, not the headline.

RTPTrack has now documented the Jackpot King tax across multiple Blueprint titles. Here is what it costs you, slot by slot.

Deal or No Deal Megaways

Deal or No Deal Megaways publishes a total RTP of 95.83%. The base RTP is 95.34%. The Jackpot King contribution is 0.38%. The mandatory reserve is 0.11%. The combined tax: 0.49pp. At £10/spin, that is 4.9p per spin siphoned to a pool with lottery-grade odds.

King Kong Cash

King Kong Cash in its Jackpot King variant publishes approximately 94.99% total. The base RTP is approximately 94.50%. The combined tax is approximately 0.49-0.79pp. SlotTracker community data across 21,593 spins shows an actual tracked RTP of 88.65% — over 6pp below the published theoretical. While community-tracked data has statistical variance, a 6pp gap across 21,000 spins is a red flag that warrants investigation.

Genie Jackpots Even More Wishes

Genie Jackpots Even More Wishes publishes 94.99% total. Base RTP 94.50%. Jackpot King contribution 0.38%. Reserve 0.11%. The tax: 0.49pp. Meanwhile, the non-JK sibling Genie Jackpots Megaways runs at 96.52% with zero progressive contribution — a 1.53pp advantage simply by choosing the version without "Jackpot King" attached.

Fishin' Frenzy Jackpot King

Fishin' Frenzy Jackpot King publishes 93.32%. The lowest in the Fishin' Frenzy franchise. The original Fishin' Frenzy runs at 96.12%. The combined effect of the JK tax plus lower-tier deployment costs UK players 2.80pp on this title.

The structural problem

Blueprint publishes total RTP figures that include jackpot return. A player comparing Deal or No Deal Megaways (95.83%) against Bonanza (96.00%) sees a 0.17pp gap and might choose either. But the player's functional RTP on DOND is 95.34%, not 95.83%. The real gap is 0.66pp — nearly four times larger than the headline suggests.

The Jackpot King pool has paid large prizes. But the expected return from the progressive per player, per spin, is measured in fractions of a penny. The 0.38% contribution on a £1 spin is 0.38p going to a pool that pays out through events with probabilities below 1 in 10 million. For any individual player, the progressive contribution is a cost, not a benefit.

What players should do

When comparing Blueprint JK titles against non-JK alternatives, use the base RTP (excluding jackpot contribution), not the published total. The base figure is what you will actually experience. The jackpot return is theoretical return you will almost certainly never receive.

The alternatives are always available. Bonanza Megaways (BTG, 96.00% fixed, no progressive) beats every Blueprint JK Megaways title on base RTP. Genie Jackpots Megaways (no JK, 96.52%) beats its own JK sibling by 1.53pp. The non-JK version of King Kong Cash Even Bigger Bananas (96.00%) beats the JK variant. In every case, the non-progressive version is the better mathematical choice.

The broader pattern

Jackpot King is one of three major UK jackpot networks where the published total RTP hides a meaningful base-game tax. Microgaming's Mega Moolah does it (88.12% base under a 96.12% headline). Relax Gaming's Dream Drop does it most aggressively (approximately 82.80% base under a 94.80% headline). Blueprint's Jackpot King does it more subtly — the gap is 0.49-1.50pp rather than 8-12pp — but the disclosure failure is the same: the figure most prominently displayed is not the figure the typical player experiences.

Our Blueprint Gaming provider page tracks the deployed configurations across UK casinos. Our progressive jackpot RTP guide covers the same maths applied to Mega Moolah, Dream Drop, and other major progressive networks.

Check the title before you spin. If "Jackpot King" appears in the name, between 0.49 and 1.50 pence of every pound is leaving your game and entering a pool you will not win.