When the tax burden climbs, it's obvious that profit margins are squeezed. What's less clear is how operators should respond in a mature and competitive market like the UK. In recent months, a seemingly straightforward plan has been quietly spreading within the industry—lowering the Return to Player (RTP) rates of online slots to hedge against higher tax burdens. Helen Walton, co-founder of G Games, openly states that RTP is essentially a pricing lever, and operators have been pulling this lever. The standard RTP for slots in the UK market has slipped from about 96% to 94%, and 92% is becoming the new upper limit. However, Regulus Partners warns in a recent report that cutting RTP is not a competitive solution in a crowded market and may ultimately prove to be self-defeating. The argument supporting this judgment does not come from an industry-wide consensus, but rather an emerging consensus driven by necessity: facing higher taxes, many operators seem to be quietly lowering RTP, as one of the few immediately available profit levers.
The 4% Mathematical Illusion: It's Not Just Numbers, It's Experience
The appeal of lowering RTP is clear on paper. Operators can deploy different RTP versions of the same game, capturing incremental profits without altering the underlying product. However, Walton and Eyal Loz, Chief Product Officer at RubyPlay, point out a fundamental mathematical misunderstanding. People tend to think the difference between 96% and 92% is just 4%, which sounds trivial. Loz puts it bluntly, it's not 4%, it's actually doubling. If a player bets 1 euro, the operator taking 4 cents is a cost, if it becomes 8 cents, the entertainment cost doubles. Walton adds that a 4% drop in RTP substantially shortens playtime and reduces the likelihood of triggering bonus features—in other words, it changes the product's entertainment value.
Player perception is equally important. Loz emphasizes that players are not stupid; they may not pore over payout tables, but when their money doesn't last as long as before, they definitely notice. The change from one hour to thirty minutes of entertainment time is perceptible. He says that players might not notice in the short term, but as time goes on, they experience fewer rewards and accumulating costs, and they will feel the difference. Thus, the risk lies not in immediate strong opposition, but in players gradually drifting away.
Germany's Cautionary Tale: Channelization Rate Falls Below 40%
Regulus Partners turns its attention to Germany, presenting a clear cautionary picture. Germany imposes a 5.3% turnover tax on online slots, effectively forcing RTP to drop to about 90% or even lower, far below the natural level of about 95%. The consequences are dire. The licensed slot market's annual revenue has shrunk from about 800 million euros in 2022 to about 470 million euros in the second half of 2025, while the black market size is estimated to have ballooned to 2 billion euros. The decline in RTP accelerates the rate at which players' funds are depleted, and when comparing 95% and 90% RTP, the loss rate is about 50% higher, directly pushing players towards offshore sites offering higher returns. The channelization rate has fallen below 40%, far from the target.
Loz provides a very intuitive observation from the perspective of a game developer. At an RTP level of 88%, they simply do not produce games for that market. The data clearly shows that if RTP drops from 96% to 94%, the difference is not significant. But once it falls below 94%, there is a statistically significant decline. At around 90% and below, this decline becomes catastrophic, and players will directly leave.
Differentiation Persistence: Hollywood Bets' Contrarian Experiment
Not all operators are embracing the RTP reduction strategy. Don Buck, UK operations manager for Hollywood Bets, described the company's deliberate decision to maintain the highest RTP levels. They do not increase profits by lowering RTP to offset the tax burden, believing that this cost should not be passed on to players. Hollywood Bets is clearly communicating its positioning to players and has created a special category on its UK website to guide players to the games with the highest RTP in its inventory. The company aims to position itself as the casino offering the highest average return on slots. This reflects a broader possibility suggested by Walton: a two-tier market is forming. A few hero or customer-acquisition games will be allowed to operate at higher RTPs, while most of the product portfolio will sit at lower RTP levels to protect profits. This strategy might balance acquisition and profitability, but it also adds complexity. If an operator continuously signals better foundational value, players will notice, but this will come at the expense of other aspects.
PASA Official Website continues to track global online gambling product pricing and player value perception dynamics, noting that the debate around RTP essentially touches on a more fundamental issue—under tax-driven profit pressure, the strategy of operators choosing to pass costs onto players is systematically weakening the attractiveness of regulated markets relative to unlicensed alternatives. The data from Germany has already provided a disturbing reference answer.
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