


Twisted Lab Slot Review
In 1984 an Australian doctor named Barry Marshall told his colleagues that a bacterium 🦠 caused stomach ulcers - not stress and not chili, as most people believed.
No ethics board was going to hand him a volunteer so Marshall mixed up a dose himself and drank it. He was sick within days, proved his point inside a week, cured himself with antibiotics, and collected a Nobel medal 🏅 for his trouble.
Hacksaw's Twisted Lab slot has an old man in a lab coat down in front, brain sloshing under a bolted glass dome, holding up a test tube of glowing green 🧪. He isn't asking me to believe him. He's holding the tube out and waiting for me to drink it.

Gameplay
Neon purple and teal colors dominate this game. There are pipes and tanks and vats of something glowing behind the reels. This is serious business!
The grid is 5x5 with 19 paylines but the whole rig is bolted to a turntable. Don’t you worry; I’ll explain this RotoGrid thing in exquisite detail.
Bets run from $0.20 to $20, and the game only accepts fiat currencies. The RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. reads 96.3%, the volatility is medium/high, and the max multiplier of 15,000x puts a max win of $300,000 on the slab.
The Oozing Beaker symbol, in Purple, Blue and Pink, pays 10x for 5 of a kind. The Brain and the Fanged Mouth each pay 5x for 5 of a kind, 2.5x for 4 and 1x for 3.
The Eyeball and the Tentacle pay 2x, 1x and 0.5x down the same steps. The Egg and the Mushroom manage 1x for 5, 0.5x for 4 and 0.2x for 3. The Feather and the Berry Sprig close the drawer at 0.5x, 0.3x and 0.1x.

Features
ROTOGRID:
The RotoGrid symbol (an octagon with yellow arrows) drops onto the grid carrying a charge of 1 to 4 rotations. When it does, the whole grid turns 90 degrees clockwise, once per charge, and every payline is read again from the new arrangement.
Every rotation also cracks whatever Oozing Beakers are sitting on the grid. The contents spill straight down to the bottom, and every position the Ooze covers becomes a Wild that substitutes for all the symbols in the paytable.
The Purple Oozing Beaker has no multiplier on it. The Blue one carries an adding multiplier of 2x, 3x, 4x, 5x, 10x, 15x, 20x, 25x, 50x or 100x. The Pink one carries a multiplying multiplier of 2x, 3x, 4x, 5x or 10x.
Ooze landing on Ooze combines on that reel. Blue on Blue adds the 2 values together.
Blue with Pink adds them and turns the result into a multiplying value called Green Ooze. Either color landing with Purple spreads its multiplier across the whole combined Ooze area on that reel.
FREE SPINS:
The FS Scatter is how you get into this round. Land 3 or 4 of them on the same spin and you're through, with the count deciding which of the following 2 rounds opens up.
Both run on the same equipment as the base game, so you get RotoGrid rotations and Oozing Beakers included.
Unleash the Ooze!
Three FS symbols on the same spin buy you 10 Free Spins. The RotoGrid symbols, the FS symbols and the Oozing Beakers all land more often than they do in the base game.

The Twist of the Twisted!
Four FS symbols on the same spin and the whole experiment goes off the rails. Every paying symbol is pulled off the grid.
All that can land now are Blue Twisters, Pink Twisters, Collector symbols, RotoGrid symbols and 4 non-paying symbols. You get 3 lives, 1 Free Spin per life.
The Blue Twister holds an adding value worth 1x, 2x, 3x, 4x, 5x, 10x, 15x, 20x, 25x, 50x, 100x or 1,000x. The Pink Twister can carry a multiplying value of 2x, 3x, 4x, 5x or 10x plus the additive ones.
Blue Twisters turn with the grid whenever a RotoGrid symbol has landed. Pink Twisters turn on every new Free Spin, and then turn again with the grid if a RotoGrid symbol has landed.
At the end of the spin a Collector symbol lands on, it’ll grab the values of every Twister on the grid. Left alone, Twisters stay where they are until a Collector takes them or the round runs out.
Your lives reset to 3 every time a Twister or a Collector lands, so the round keeps itself breathing as long as the grid keeps producing something.
When the round ends, the values still sitting on the grid are combined reel by reel, left to right and top to bottom, adding or multiplying according to what each value is.
If the first value in that run is a multiplying one, it counts as an adding one instead, and the total then gets multiplied by your bet.
BUY BONUS AND ANTE BET:
BonusHunt FeatureSpins costs 3x per spin (ante bet) and runs an RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. of 96.28%. Every spin becomes 5 times more likely to open a bonus.
RotoGrid FeatureSpins costs 50x per spin (ante bet) at an RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. of 96.32%. Every spin lands at least 1 Blue Oozing Beaker and 1 RotoGrid symbol, and the Purple Oozing Beakers get pulled out of the game.
Oozing RotoGrid FeatureSpins costs 75x per spin (ante bet) at an RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. of 96.27%, same arrangement with 2 Blue Oozing Beakers instead of 1.
Unleash the Ooze! costs 100x with an RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. of 96.29%.
The Twist of the Twisted! costs 200x with an RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. of 96.33% - it’s the best figure on the table.
All of the options have a very high volatility rate.
Performance
So, while the unique selling point of this game is a rotating grid with breaking glasses and stuff, nothing broke during testing, and that is true for when I tried the game on my phone and my laptop.
Maximum Win
The max win here is $300,000, and it comes off the max multiplier of 15,000x landing at the top bet of $20. The smallest bet you can place is $0.20.
Conclusion
Every dollar worth having here comes off Ooze multipliers stacking on a grid that keeps turning underneath them, and off the Twisters in the round that 4 FS symbols open.
The route to the max multiplier is narrow. You need the Twist of the Twisted round, the biggest Blue Twisters banked on the glass, and a Collector to run them through a Pink multiplying value before your 3 lives are spent.
A 15,000x max multiplier is generous, considering the low end of the risk here is medium, so thanks Hacksaw.
The slot suits patient players at a small bet, with enough spins banked to reach the Twister round on its own terms. If you need excitement every few minutes, or you plan to play near the top of the bet range, the lab will drain you before the rat even looks up.
Slot Details
Game Provider: Hacksaw
Game Type: Video Slots
PaylinesPaylines are preset lines that run across the reels, and when you land matching symbols on them, that will result in a payout. The more paylines, the more ways you can win, but also the higher your bet per spin.: 19
RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate.: 96.3%
Volatility RateSlot games can have low, medium, high, or extremely high volatility rates (or a combination thereof).
The less volatile the game, the more often it should pay out, but the lower the amount, the less the payout, as this is in keeping with the risk you’re taking. Volatility rate should be considered in conjunction with a game’s RTP.: Medium/High
Bonus Round: Yes
Progressive: No
Free Rounds: Free Spins
Max Multiplier: 15,000x
Max Win: $300,000
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