Fat Cats DoubleMax
demo and specs

Fat Cats DoubleMax is a cats-themed video slot from Reflex Gaming, dated for release on 13 October 2026. It plays on a 5x5 grid with 50 paylines, and its core mechanic is cascading reels.

The published numbers are an RTP of 96.00%, high volatility and a max win of 10,000x stake. Stakes run from 0.10 to 100 a spin, which is a broad band by any standard.

A 96.00% RTP, high volatility and a 10,000x ceiling: a fair price for a swingy ride.

The feature list is long for a slot of this type: Cascading reels, Gigablox symbols, a DoubleMax multiplier trail, Free Spins, Paw Slap, Golden Claw, Champagne, Golden Bet and Bonus Buy. That is a lot of moving parts, and it points to a game built around layered bonus play rather than a plain line-hitter.

It is aimed at players who are comfortable with high volatility and who like a tumbling grid where one spin can pay more than once. If you prefer steady, frequent small returns, the profile will feel harsh.

On what is published: RTP, volatility, max win, grid, paylines, mechanic, theme and bet range are all stated. A hit rate is not published, and neither are the finer rules of the individual features. Where a figure is missing, this page says so rather than guessing.

The RTP is 96.00%, which matches the rough 96% UK average. It is neither a generous outlier nor a tight one. Over a very long run, £100 staked would return about £96 in theory, leaving a house edge of about £4 per £100.

That figure is a long-run average across a huge number of spins, not a promise for one evening. In a single session the result is driven by variance, and with a high-volatility game the spread of outcomes is wide.

Volatility is graded High. In practice that means more dry spells and fewer wins, with the return weighted towards the rarer, larger payouts. A cascading grid softens this a little, because a single spin can chain several wins, but the grade tells you the big money sits in the features and not in the base game.

The max win is 10,000x stake. At the minimum stake of 0.10, that is a ceiling of £1,000. At the maximum stake of 100, it is £1,000,000.

Those two cash figures show how far the stake range stretches the same multiplier. A small-stake player is chasing a four-figure top prize, while a maximum-stake player is exposed to a seven-figure ceiling and to far faster losses along the way.

The studio has not published a hit rate for this game, so there is no official figure for how often a spin pays anything at all. Alongside High volatility, it is reasonable to expect a modest base-game hit frequency with a long tail of bigger wins, but that is an expectation from the grade and not a stated number.

The practical reading is simple. A 96.00% RTP means the price of play is average, and High volatility means the ride is bumpy. The 10,000x ceiling is the reward for tolerating that.

The studio lists nine named features. Here is what each one is and, in general terms, how that category of mechanic behaves:

• Cascading reels: the core mechanic. Winning symbols are removed and new ones drop in, so one paid spin can chain several wins in a row.
• Gigablox symbols: a named symbol feature. Features of this kind change how symbols sit on the grid; the exact size and behaviour here are not published.
• DoubleMax multiplier trail: a multiplier mechanic. Trails of this type generally build a multiplier as a sequence progresses; the steps and values are not published.
• Free Spins: a bonus round of spins played without staking more. Triggers and spin counts are not published for this game.
• Paw Slap: a named feature in the list. Its trigger and effect are not published.
• Golden Claw: a named feature in the list. Its trigger and effect are not published.
• Champagne: a named feature in the list. Its trigger and effect are not published.
• Golden Bet: a named feature in the list. Its cost and effect are not published.
• Bonus Buy: a feature that lets a player pay to enter the bonus directly instead of waiting for it to land.

The studio has not published the per-feature details: how Free Spins trigger and how many you get, what the multiplier trail does step by step, or what Paw Slap, Golden Claw, Champagne and Golden Bet each do. This page is updated when the studio publishes them.

Bonus Buy is switched off for GB players at UKGC casinos. The UK Gambling Commission banned feature buys, so on a UK-licensed site you reach the bonus only by playing into it. Players outside Great Britain may see the option, and the free demo is a safe way to see the game without it affecting your play.

The base game is a 5x5 grid with 50 paylines and cascading reels. A win clears the winning symbols and fresh ones fall in, so a spin can run on while wins keep forming. Between features, the game is a cascade-and-reset loop, and the bigger action is held for the bonus features.

Stakes run from 0.10 to 100 a spin. The low end suits cautious players and anyone learning the game, because it stretches a small bankroll across many more spins. The top end suits high rollers who accept that a High-volatility game can drain a balance fast.

For bankroll, High volatility argues for smaller stakes relative to your budget. Betting a large share of your balance per spin leaves little room to ride out a dry spell, and the features that carry the big wins may not arrive within a short session.

On mobile, the game is built for phones as standard, so the 5x5 grid and its features are meant to play on a small screen as they do on desktop. The UK build rules apply on a phone exactly as on a computer, including the ban on feature buys, and the usual UK player protections such as session reminders and deposit limits.

Among cascading-reels slots, Fat Cats DoubleMax sits at the riskier end of the field. Many games with a tumbling grid are tuned for steadier, more frequent returns, whereas this one is graded High volatility and leans on its multiplier trail and bonus features.

Its 10,000x ceiling is a mid-to-high figure for the category. It is not the largest on offer, but it is well above the modest tops of the gentler tumbling slots.

The trade is the usual one. A higher ceiling is paid for with longer droughts, since the return is concentrated in rarer, bigger wins. A lower-ceiling game spreads the same RTP across more frequent, smaller payouts.

With an RTP of 96.00%, Fat Cats DoubleMax does not charge extra for that risk. The similar-slots table that follows shows the real comparison figures side by side.

It suits these player types:

• Players who enjoy High-volatility slots and accept long quiet runs in exchange for a 10,000x top prize.
• Fans of cascading reels who like chained wins within a single spin and a multiplier trail layered over them.
• Players who want a wide stake range, from 0.10 for careful play up to 100 for those with a large bankroll.
• Anyone who wants to try the game first on the free play-money demo before committing real stakes.

Who should skip it: players who want frequent small wins, anyone on a tight budget who cannot stomach dry spells, and anyone who was counting on a bonus buy, which is not available to GB players at UKGC casinos.