Blood Suckers is the title that NetEnt kept off its variable-RTP migration list, and that single decision has made it one of the most consequential slots in the modern UK market. The published 98.00% RTP is fixed at every UKGC-licensed operator. There is no tier matrix, no operator commercial back office, no possibility of stepping the configuration down. The figure that reads 98.00% on the in-game information panel is the configuration that the random number generator is running. In a market where most flagship titles can be deployed across a range of RTP configurations and where the April 2026 RGD increase has driven aggressive tier reductions across large portions of the catalogue, this fixed 98.00% positioning is structurally extraordinary.
The 98.00% RTP corresponds to a 2.00% house edge. For comparison, a typical 96.00% slot has a 4.00% house edge — twice as expensive per pound wagered. A 94.00% deployed configuration has a 6.00% house edge — three times as expensive. Over any meaningful sample of staked play, the difference compounds aggressively. £10,000 wagered at 98.00% produces £200 expected loss. The same wagering at 94.00% produces £600. Blood Suckers' fixed 98.00% is not just a marketing figure; it is a structural advantage that survives operator commercial pressure entirely.
Blood Suckers 2 and the RTP question
Blood Suckers 2 published at 96.94% theoretical RTP — substantially higher than typical NetEnt releases but 1.06 percentage points lower than the original. The sequel's deployment status warrants verification at your specific casino. NetEnt's variable-RTP framework was introduced after the original Blood Suckers but before Blood Suckers 2; the sequel may or may not be subject to the variable tier system depending on how NetEnt configured it at launch. The in-game information panel is the authoritative answer — open it, locate the RTP figure, and compare against the published 96.94%. If the panel displays 96.94% you are on the published configuration; if it displays a lower figure, the title is being deployed below its published maximum.
The wagering-requirement advantage
Blood Suckers' 98.00% RTP makes it the most efficient title in the UK market for clearing bonus wagering requirements. The 2.00% house edge means £100 of bonus wagering produces £2 of expected loss; the same wagering on a 94.00% slot produces £6 — three times the expected erosion of bonus value. For players who claim wagering-attached bonuses regularly, the choice of wagering slot is mathematically more consequential than the choice of bonus offer. Provided your casino does not exclude Blood Suckers from wagering or apply a reduced contribution rate (always verify in the bonus terms), it is the optimal choice for completing wagering on virtually any UK bonus offer.
This advantage applies to both the original and the sequel relative to typical 96.00% titles, but the original's 98.00% delivers the strongest version of the effect. If both Blood Suckers titles are eligible for wagering at full contribution and your casino runs the original at the fixed 98.00%, the original is the unambiguous correct selection. If only the sequel is eligible (some operators exclude very high RTP titles), the sequel still outperforms typical wagering candidates by a meaningful margin.
Volatility and session profile
Both titles sit in the low-to-medium volatility band. The original Blood Suckers is unusually flat in payout distribution — small wins arrive frequently, the bonus round triggers at a relatively generous frequency, and big-win events are rare but not extreme in magnitude. This profile is well-suited to the wagering-clearance use case and to longer sessions on smaller bankrolls. Blood Suckers 2 is slightly more volatile, with a more pronounced bonus round payoff and a wider distribution of base-game outcomes. The sequel feels more like a contemporary slot; the original feels more like a session-survival tool.
Visual and mechanical upgrades in the sequel
Blood Suckers 2 brings substantially better production values. The visual design is updated to current production standards, the audio is more atmospheric, the bonus structure includes a hidden-treasure mini-game that was not present in the original, and the overall presentation feels several generations newer than the 2009-vintage original. For players who find the original's dated visuals offputting, the sequel offers a much more contemporary experience. The trade-off is the 1.06 percentage point higher house edge.
The clear recommendation
For pure mathematical optimisation, particularly for bonus wagering clearance, the original Blood Suckers is the strictly better choice. The fixed 98.00% RTP is the highest available in the mainstream UK market and it is guaranteed at every operator. For entertainment value and contemporary production, Blood Suckers 2 offers a meaningfully better experience at the cost of 1.06 percentage points of expected return. Players who genuinely value the visual upgrade can justify the maths penalty for general session play. For wagering work, take the original. For more on how bonus wagering interacts with RTP, see our broader what is RTP guide.