What we like / What could be better
What we like
- 98% RTP sits near the top of BGaming's own catalogue, above the 94–96% range most UK-facing cluster slots publish
- The 10,000x cap is transparent: multiply any stake from £0.25 to £25.00 and you get the real ceiling in pounds, not a marketing number
- Cell multipliers up to x128 give a visible, on-screen reason a cluster is worth waiting for rather than a flat paytable bump
- Bonus Buy is split into three separate entry points, so a player can pick the tier closest to the state they want to enter
- A demo mode runs the same merge chain for free, before any stake is placed
What could be better
- Very-high volatility means long stretches without a single cluster forming; this is normal for the profile, not a fault
- We have not verified which UK-facing operators list this exact title; BGaming appears in one offer we track, but only at studio, not title, level
- No bonus table entry exists for promotions tied to this title, so there is nothing to compare on wagering terms
- Reaching anywhere near the 10,000x ceiling is a rare outlier result, not a realistic session target
What is Merge Up 2?
Merge Up 2 is the sequel to BGaming's original Merge Up, released on 28 October 2025. It keeps the gem-themed match-3 style arcade look and moves it onto a 6x6 grid with cluster pays: any group of four or more matching symbols touching edge to edge pays, and there are no fixed paylines to read. Symbols that pay do not simply disappear. They merge upward into a higher-value symbol and stay on the grid, which is the mechanic the title is named after.
RTP: 98%, near the top of BGaming's own range
The theoretical return to player on Merge Up 2 is 98%, calculated over a very large number of spins, not over any single session. That sits above most UK-facing slots, where the typical band runs closer to 94–96%. A high RTP does not soften very-high volatility: it describes where the money goes across millions of spins, not how often a single player's balance moves in one sitting. Some operators run their own RTP configuration for a title. If a casino's game information screen shows a different figure for Merge Up 2, that in-game number is the one that applies to that account.
The 10,000x ceiling: what it actually pays at each stake
Merge Up 2 caps its maximum win at 10,000 times the stake. That is a fixed multiple, so the pound figure depends entirely on the stake chosen, not on luck alone.
Stake-to-payout table
| Stake | Theoretical max win (10,000x) |
|---|---|
| £0.25 (minimum) | £2,500 |
| £1.00 | £10,000 |
| £5.00 | £50,000 |
| £25.00 (maximum) | £250,000 |
Two things follow from this table. Raising the stake to chase a bigger ceiling raises the amount at risk on every losing spin by the same ratio. And hitting anywhere near 10,000x is a very-high-volatility outlier: it needs cell multipliers to stack toward x128 while a cluster keeps merging in the same spin. It is not a result worth planning a session around.
How the Merge Up mechanic and cell multipliers stack
When four or more matching symbols form a cluster, they clear and merge into the next symbol tier rather than vanishing outright. The merged symbol lands back on the grid, and the cell it occupies carries a multiplier that can climb as high as x128 the more that cell keeps merging within the same spin sequence. The payout for a late-stage cluster is the symbol's base value multiplied by whatever the cell has built up, which is why a spin can open quietly and finish with a much larger number than the first clusters suggested.
Cluster pays on a 6x6 grid
The 6x6 grid gives more surface area than the 5x3 layout most classic slots use, and that matters for cluster mechanics specifically: more cells mean more room for a cluster to grow before it merges, and more room for merged high-tier symbols to sit next to each other and chain. There are no paylines to track. Every win comes from adjacency, and the in-game paytable shows value per cluster size rather than per line.
Bomb symbols, Free Spins and Bonus Buy: three ways in
Merge Up 2 layers three features on the base cluster mechanic:
- Bomb symbols, which clear surrounding cells when they resolve, opening space for new merges
- a Scatter-triggered Free Spins round
- Bonus Buy, split into three separate purchase options rather than one flat price
The spec for this title confirms three Bonus Buy tiers exist and that a separate feature called Chance x2 is available. It does not give the exact price or mechanic of each tier, and we are not going to guess those numbers. Check the in-game buy screen before spending: the price and the odds it buys are shown there, and that is the only version that applies to real money.
Volatility: why dry spells are normal, not a fault
BGaming rates Merge Up 2 very-high volatility. In practice, long runs of spins with no cluster forming at all are expected behaviour, not a sign anything is wrong. Very-high volatility titles pay less often and pay more when they do. The 98% RTP is spread thin across the losing runs and concentrated into rarer, bigger hits. A long session can still finish well below the RTP figure, and that is consistent with how the maths works, not a fault in the game.
Merge Up 2 vs the original Merge Up
The sequel keeps the match-3 style merge concept from the first Merge Up and moves it onto a bigger grid with a higher stated ceiling. Anyone who played the original recognises the core loop immediately. The practical difference for stake planning is the cell multiplier range, which changes how a late-session cluster can compound before it pays out.
What Merge Up 2 gets right, and where it falls short
On the plus side: a 98% RTP near the top of BGaming's own catalogue, a max-win figure that turns into an exact pound sum at any stake between £0.25 and £25.00, visible cell multipliers up to x128 rather than a flat paytable bump, three separate Bonus Buy entry points, and a demo mode that runs the real mechanic for free.
On the other side: very-high volatility means long stretches without a single cluster, reaching anywhere near the 10,000x ceiling is an outlier outcome rather than a session target, and we have not verified which specific UK-facing operators carry this exact title.