TNT Tumble Slot: Demo Play, Review, Casinos List

Screenshots:
Released | April 1, 2020 | |
Software provider | RelaXGaming | |
RTP (return to player) | 96.11 % | |
House edge | 3.89 % | |
Volatility | high | |
Theme | Jewels and Gems | |
Reels | 5 | |
Paylines | 0 | |
Bonus game | Yes | |
Free spins | Yes | |
Wild symbol | Yes | |
Scatter symbol | Yes | |
Multiplier | Yes | |
Progressive | No | |
Top win | x12,278 | |
Bet Size | 0.10-100 EUR |
TNT Tumble Play For Free
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RelaXGaming is the maker of TNT Tumble (released on April 1, 2020), which has Cluster pays mechanics and a RTP of 96.11 %. The variance degree is High and the top available win equivalents x12278. These are the features of this video slot machine: Bonus game, Free spins, Wild, Scatter, Multiplier, Buy bonus feature, Avalanche reels.
Blasting For Bright Stones
TNT Tumble drops me in front of a wooden mine shaft tucked between snow peaks, a spot that looks far too calm for the explosives about to go off. The slot sits on a 5 × 7 grid, though only the top four rows start open; the bottom three are jammed with rock tiles I need to crack open. Symbols tumble instead of spin, so wins form when three to seven matching icons connect in a straight line—left, right, up, or down. Stakes slide from €0.10 to €100, and buttons stay chunky enough for fingers on a phone screen. Sound‑wise, every collapse lands with a satisfying thud while a soft synth track hums underneath; it feels odd at first but I soon left it on. In my view, the best‑looking icons are the red ruby and orange topaz, both cut sharply enough to catch the light when they hit together.
Pay Dirt Anatomy
Relax Gaming launched TNT Tumble on 1 April 2020, chasing the success of its earlier Temple Tumble. Top payout reaches x12,278, which rockets it into Tier A for potential—plenty of punch for anyone hunting one‑session glory. The drill Wild symbol deserves special mention: whenever it completes a win, it stays put and digs straight down through any blocker stones below. It only disappears once it reaches the grid’s floor, and stacking seven drills on a line pays 50 × my stake, so watching them tunnel is half the fun. Because the game has no traditional lines, I’d call the pay mechanic a loose variant of Cluster Pays, even though matches must stay in straight rows. The HTML5 build scales correctly on small screens; during testing I noticed minor frame drops only when four or more drills drilled at once.
Dynamite Math Talk
The published RTP clocks in at 96.11 %, which is smack in my acceptable range but nothing more. Luckily Relax keeps a single RTP setting, so casinos can’t sneak in lower versions; that alone makes life easier than hunting for true figures on some other studios’ titles. Volatility slides all the way up the high volatility ladder, and the slot proves it by serving long dry spells between streaks of explosions. I recommend a bankroll of at least 500 wagers to handle those downswings; otherwise, reaching the bonus round can feel like hacking granite with a teaspoon. On the bright side, hit frequency is a tad higher than many high‑volatility grids because tiny ore wins appear often—helpful for morale if not for balance.
Three‑Way Bonus Blast
Clear all three blocker rows in a single tumble chain and the Bonus Game starts with six spins. Before the first cascade I must pick one mode, each hidden behind a little signpost:
• Extra Spins – medium risk. Special blue stones award +1, 2, 3, 5, or 10 extra spins when smashed.
• Multipliers & Extra Spins – high risk. Blue stones give spins; pink stones carry +1‑3 progressive multipliers.
• Multipliers Only – very spicy. Only pink stones show up, each worth +1‑3 multiplier, but there are no free‑spin stones at all.
During the feature, cleared rocks stay cleared, so reaching the grid bottom adds +2 spins no matter which mode I’m in. Multipliers stack globally for the round, and I once built a 12 × during a 22‑spin run, though that session ended barely above 300 × because gems refused to line up. That sort of tease is common, so patience helps.
Buy‑In For Impatient Miners
If chipping away base‑game stones sounds too slow, the Buy Bonus game button sits under the spin key. It costs 70 × stake, equal across currencies, and pops me straight into the mode‑selection screen without altering RTP. I’ve used the buy once or twice when testing stake sizings; however, at that price I wouldn’t spam it unless my balance already sits over 200 wagers, because cold bonuses do happen.
Explosive Extras In The Dark
• Cascading Reels: Every win removes its icons and drops fresh stones, sometimes chaining ten or more falls. I’ve seen drills create Swiss‑cheese grids that pay three times in one drop thanks to this mechanic.
• TNT Row Block: When the little red dynamite block detonates it wipes the entire row of dark stones, a great shortcut toward the bonus.
• Progressive Multiplier Stones: Pink blocks only appear in bonus rounds, each granting +1‑3 to all wins for the rest of the feature. Hitting two early can change the mood fast.
• Winning Hit Frequency feels slightly above many grid slots, mostly due to cheap ore icons. It won’t keep your bankroll afloat forever, but small hits arrive often enough to prevent yawns.
Pros And Cons
Pros:
• Drill wilds stick and tunnel, creating wild chains I rarely see elsewhere
• Choice of three bonus modes lets me steer risk level each trigger
• x12,278 max win is solid for a five‑column grid
• Clean visuals and minimal symbol set keep the action readable on mobile
• Bonus‑buy option available for testing strategies
Cons:
• Base game can plod when blockers refuse to break
• Futuristic audio track feels mismatched to alpine scenery
• 70 × bonus buy is pricey; a dud bonus hurts balance badly
TNT Tumble FAQ
Does TNT Tumble Have A Mobile Version? Yes, I’ve run it on both iOS and Android; everything resizes fine, though it looks best on a tablet.
What Is The Biggest Win On TNT Tumble? The ceiling is x12,278 your wager, according to Relax Gaming’s own simulation data.
How Do I Trigger Free Spins In TNT Tumble? Clear every stone block under the initial grid via cascades or TNT rows, and the six‑spin bonus round begins.