Merge Up 2 Slot Review
by BGamingReleased Oct 28, 2025
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A 6x6 cluster-pays slot where matching gems merge into bigger ones as you win, and the cells that keep paying build multipliers up to x128 each. Merge Up 2 pushes that multiplier engine into the base game, adds bombs that detonate into scatters, and tops out at 10,000x.

Specifications
| Game Type | Slots |
|---|---|
| RTP | 97% |
| Volatility | Very High |
| Max Win | 10,000x |
| Grid | 6x6 |
| Paylines | Cluster Pays (4+ adjacent symbols) |
| Min Bet | $0.25 |
| Max Bet | $25 |
| Hit Freq | 29.41% |
Merge Up Series
Merge Up 2 Slot Overview
Merge Up 2 is a candy-gem puzzle slot where winning groups of gems don't just pay and disappear, they fuse into bigger, higher-value gems. Land four or more of the same gem touching side by side, collect the win, and the survivors merge one rung up a nine-level ladder. It plays less like a reel-spinner and more like one of those mobile merge games, dressed up with cluster-pays math.
BGaming's sequel keeps the 6x6 grid and the merging idea from the original but rebuilds the thing that mattered. Every cell that helps form a win gets marked, and marked cells build a multiplier that doubles again and again, all the way to x128 apiece. In the first Merge Up that only happened in the bonus. Here it runs in the base game too, so ordinary spins now carry a sense of progress instead of just filling time until free spins.
There's a bomb that grows out of the very top gems, a scatter-driven free spins round, and three separate Buy Bonus prices. Volatility is rated very high, the ceiling is 10,000x, and the RTP sits at a generous 97%.
Theme & Design
The whole thing glows. Gems sit on a bright teal board that pulses with soft, out-of-focus squares drifting behind it, like a phone screensaver turned up to full brightness. The gems themselves are glossy and rounded: a blue triangle, a purple leaf, a green diamond, a yellow cushion, an orange hexagon, a red octagon, a pink heart, and a fat magenta diamond at the top, with a rainbow-swirl star standing in as the scatter. A slim progression bar above the grid lays out the full merge ladder from that low leaf gem up to the star, so you can always see how far a symbol has to climb.
It's cheerful and readable, clearly built mobile-first. The trade-off is that the sequel drops the chunkier 3D look of the original for a flatter, more cartoonish style. Cleaner, maybe a touch more generic. The green Buy Bonus button and the purple Chance x2 slider sit down the left rail, and the candy palette does the job even if there's no theme here beyond bright gems on a glowing grid.
Symbols & Paytable
| Symbol | Payout |
|---|---|
| Magenta Diamond (top gem) | 0.8x / 4x / 80x for a cluster of 4 / 8 / 12+highest-paying of the eight gem levels |
| Pink Heart | 0.64x / 3.2x / 32x for 4 / 8 / 12+ |
| Red Octagon | 0.48x / 1.6x / 24x for 4 / 8 / 12+ |
| Orange Hexagon | 0.4x / 1.2x / 20x for 4 / 8 / 12+ |
| Yellow Cushion | 0.32x / 0.8x / 16x for 4 / 8 / 12+ |
| Green Diamond | 0.24x / 0.64x / 12x for 4 / 8 / 12+ |
| Blue Triangle | 0.16x / 0.48x / 8x for 4 / 8 / 12+ |
| Blue Leaf (low gem) | 0.08x / 0.4x / 4x for 4 / 8 / 12+ |
| Rainbow Star Scatter | pays nothing directly; 3+ trigger free spinsalso forms when a bomb explodes |
Features & How They Work
Clusters that merge upward
A win is four or more matching gems adjacent vertically or horizontally, no diagonals. After it pays, part of the cluster clears and the rest merge into gems one level higher. How many new gems appear depends on how big the cluster was: a group of 4-5 leaves two upgraded gems, 6-7 leaves three, and it scales up to six new gems from a cluster of twelve or more. Emptied cells refill, so a single spin can chain several times through the ladder. Payouts climb with both the gem's level and the size of the cluster, which is why the fat 12+ groups on a top gem are where the real money sits.
Position Multipliers (the headline upgrade)
Every cell that takes part in a win gets marked. If that same cell joins another winning cluster, it gains an x2 multiplier, and each further win on it doubles the figure: x2, x4, x8, and onward to a cap of x128 on a single cell. A freshly earned multiplier kicks in from the next win, not the one that created it, and marked cells stay marked for the rest of the round. The change from the original is the whole point of the sequel, these multipliers now build in the base game, not only in free spins, so long cascade chains can compound before you ever see a bonus.
Bomb symbol
When a winning cluster forms from the highest-paying regular gems, the eighth level, it becomes a Bomb rather than merging further. The Bomb explodes, wipes out the eight surrounding cells, bumps each of their multipliers up a step, and then turns into a Scatter. It's a neat self-feeding loop: reach the top of the ladder and the game hands you both a multiplier boost and progress toward the bonus in one move.
Free Spins
Three or more Scatters start the round: 3 award 12 free spins, 4 give 15, 5 give 20, and 6 or more award 30. Position multipliers persist and keep stacking across the entire round instead of resetting each spin, which is where the very-high volatility earns its keep. Landing 4+ Scatters during the round retriggers more spins.
Buy Bonus and Chance x2
Three buy options cover different appetites. The standard round is 100x your bet. For 250x you start free spins with an x2 multiplier already sitting in every cell. And the top tier, 500x, pre-loads 3 to 9 bombs that explode before the round begins, seeding multipliers that carry into it (those pre-placed bombs only generate multipliers, they don't become scatters). If you'd rather not buy, the Chance x2 ante raises your total stake to double the natural odds of triggering free spins.
Screenshots

How It Plays
The base game is busy. Gems shuffle, small clusters keep landing, and the board rarely goes quiet, so it can feel productive even when the balance is barely moving. That's the trap of very-high volatility here: plenty of little wins, most of them a fraction of your stake, while the number that matters is whether marked cells survive long enough to start doubling. When a corner of the board lights up with stacked multipliers and a big gem drops into it, the payout jumps in a way the tiny base hits never hint at.
So the tension sits in the cells, not the spins. You're quietly rooting for the same squares to keep winning. Bombs give the round a second gear, since reaching the top gems both boosts your multipliers and nudges you toward the scatter that changes everything. Without the free spins, the ladder usually stalls out before it climbs far, and for my money that's where the game comes alive. Sessions can run cold for a good while, then a single well-multiplied bonus repays it. The buy options exist for a reason.
Pros & Cons
Pros
- Position multipliers now build in the base game, not just free spins, so ordinary spins carry real progression
- The merge-and-cascade mechanic genuinely chains, and per-cell multipliers up to x128 give it a high ceiling
- Three distinct buy prices let you pick your risk level, from a plain round to pre-loaded bombs
- 97% RTP is well above the market average
Cons
- Very-high volatility means long dry stretches where base wins barely dent the stake
- Most of the payout potential is locked behind the free spins, so the base game can drag
- The flatter 2D art is cleaner but loses the chunkier 3D character of the original
- Purely abstract gems, no theme or narrative to speak of
Verdict
This is the sequel done properly. The original had a clever merging idea let down by multipliers that only mattered in the bonus, and Merge Up 2 fixes exactly that, pushing the per-cell doubling into base play so every spin has something to build toward. The bomb-into-scatter loop ties the top of the ladder to the free spins cleanly, and the three cluster-pays buy options give the round some flexibility. It's a smarter game than the original in the ways that count.
The catch is the volatility. Base sessions can feel like a lot of motion for little return, and the 10,000x ceiling really lives inside the bonus, so patience (or the buy button) is the price of entry. The candy-arcade look won't be for everyone, and there's no theme to sink into beyond bright gems on a glowing board. But as a merge-mechanic slot with genuine compounding, it holds up.
Frequently Asked Questions
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Reviewed by Arina, Slots Editor
Slots Editor at SlotsReach
Published 26 Jul 2026 · Updated 26 Jul 2026