We’ve seen some famous dynamic duos over the years, with Batman and Robin and Bonnie and Clyde being two that roll right off the tongue. However, when it comes to online slots, there are not really any standout pairings that have taken the world by storm, well, not yet, at least. That could all be set to change, though, thanks to Hacksaw Gaming and their Twisted Lab slot, where Mr. Melker and Pat the Rat have been busy concocting up some new game mechanics, but more on that later. As for this slot’s core stats, we have a 5-reel game with 19 paylines, an RTP of 96.30%, and a max win of 15,000x the bet.
The team at Hacksaw has worked their usual magic, and the graphics on Twisted Lab are fantastic; there’s no denying that, but the game is all about the new headline feature, RotoGrid. This interesting mechanic spins the playfield 90 degrees each time its symbol lands, potentially spilling beakers of ooze that transform into reel multipliers that can reach up to 100x in value. The slot also includes two bonus rounds where the standard feature gives you a greater chance to land RotoGrid symbols, whilst the super bonus introduces two new twister symbols and a collect symbol. Sounds exciting, doesn’t it?
I’m sure you’re eager to see what the new mechanic is all about, so if you want to jump straight into the thick of the action for some spins, you can do so by utilising our free Twisted Lab demo slot below.
| Provider | Hacksaw Gaming |
| Reels | 5 |
| Rows | 5 |
| Paylines | 19 |
| Bonus Rounds | 2 |
| Bet Range | 0.10 - 100 |
| Volatility | High |
| Max Win | 15,000x |
| Bonus Buy | Yes |
| RTP | 96.30% |
| Our Rating | 8.6 |
Twisted Lab Casino Bonus
Twisted Lab Demo Slot
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Twisted Lab Slot Theme, Stakes, Pays & Symbols
Back in my school days, science was always one of my favourite lessons, especially when it was experiment day, and you got to mix things together and see reactions occur. Like most things, though, once you leave the academic scene, unless you pursue a career in a specific field like that, you never touch another test tube or bunsen burner again. If, like myself, you’re now reminiscing about the periodic table and pH scale, I have a couple of free slot games in the science niche for you to try out. First, there’s NetEnt’s Magic Lab slot featuring a max win of 5,999x bet, or if you want to try something with a bit more bang, fire up iSoftbet’s Cash Lab Megaways, which comes with 200,704 ways to win and a jackpot of 20,000x bet.
Now your science fix is complete, we’re over at the pays section on Twisted Lab, where the three Wild Ooze Beakers are the top paying symbols, all worth 10x for a full line of five. The highest paying regular symbols are the Brain and Teeth sharing payouts of 5x, with the remaining premium symbols being the Eye and Body Organ with equal returns of 2x. The low paying symbols are a little less gruesome, and you’ll find a Toadstool and Egg both paying 1x and finally, a Leaf and Feather with payouts of 0.5x for a winning combo of five.
Hacksaw love their slots to be enjoyed by all, which always reflects in the wider range of stakes offered within each game. This is again on display in Twisted Lab, where the minimum price to play starts from just €0.10 a spin, while the other end of the scale allows high rollers to play up to €100 a press.
Twisted Lab Slot Base Game & Modifiers
Many of Hacksaw’s slots share familiar grid structures, and in Twisted Lab, players will experience a 5×5 reel matrix where 19 fixed paylines are active. Wins are created and awarded if three matching symbols connect across a payline beginning from the leftmost reel first.
Rotogrid
The RotoGrid symbol can land on the grid, charged with 1 to 4 ninety-degree clockwise rotations. Each charge causes the entire grid to rotate by 90 degrees, creating even more opportunities to win. The wins from the initial drop will be calculated and collected before the RotoGrid symbol activates.
Oozing Beakers
When the RotoGrid symbol causes the grid to rotate, any Oozing Beakers on the grid will break and spill their Oozing content to the bottom of the grid. All positions that the Ooze covers will become wild symbols that substitute for all symbols in the paytable. Three possible Oozing beakers can land. These are:
- Purple Oozing Beakers: Do not contain multipliers.
- Blue Oozing Beakers: Contains multipliers ranging from 2x to 100x.
- Pink Oozing Beakers: Contains multipliers ranging from. 2x to 10x.
If Ooze spills to cover previous Ooze, the multiplier values will be added together, and the result will be applied to all Oozing positions on that reel. This means that if Blue Ooze is combined with Pink Ooze, their multipliers will be added together, and the resulting Green Ooze multiplier will become multiplying.
If Blue or Pink Ooze is combined with Purple Ooze, the multiplier from the Pink or Blue Ooze will be applied to the whole combined Ooze area on that reel.
Twisted Lab Slot Bonus Features
Players can trigger two bonus rounds on Twisted Lab. These are the Unleash the Ooze free spins, activated when three scatters land in the base game, and The Twist Of The Twisted bonus, triggered when four scatters hit on a single spin.
Unleash The Ooze Free Spins
Whilst this bonus is active, there is an increased chance of landing the RotoGrid symbols, free spins symbols, and oozing beakers.
The Twist Of The Twisted
During this bonus round, the game will transform, and only Blue Twisters, Pink Twisters, Collect Symbols, RotoGrid Symbols, and non-paying symbols can appear on the grid. The bonus has 3 refilling lives that reset each time Twisters or Collector symbols land. Each life represents one free spin. Once all 3 lives are consumed without a new reset, the bonus feature ends.
Four multiplier values are displayed on each Twister. The value at the top of the symbol is the current value of the multiplier. When the grid rotates, the value that moves to the top of the symbol becomes the new current value. Possible values for Blue Twister adding multipliers are: 1x, 2x, 3x, 4x, 5x, 10x, 15x, 20x, 25x, 50x, 100x, 1000x
Possible values for Pink Twister multipliers are: 1x, 2x, 3x, 4x, 5x, 10x, 15x, 20x, 25x, 50x, 100x, 1000x, x2, x3, x4, x5, x10. Blue Twisters will rotate with the grid when a RotoGrid symbol has landed. Pink Twisters will rotate on every new free spin and will rotate an additional time with the grid if a RotoGrid symbol has landed.
Throughout the feature, there is a chance to land the Collector symbol. When this symbol has landed, it will activate at the end of the current freespin. When activated, the Collector symbol will collect the multiplier values of all Twisters on the grid.
At the end of the bonus feature, the current Twister and Collector symbols on the grid are added or multiplied together depending on the value of the symbol. Symbol values will be added or multiplied together from top to bottom, one reel at a time from left to right. If the first symbol value is a multiplying multiplier, it will be treated as an adding multiplier instead. The resulting value is multiplied by your bet to give you the final win!
Bonus Buy
Players who want to play with a little more risk can choose from any of the following feature buy options.
- BonusHunt FeatureSpins: Each spin is five times more likely to trigger the bonus. Costs 3x the bet.
- RotoGrid FeatureSpins: Each spin guarantees that at least 1 blue oozing beaker and RotoGrid symbol land. Cost 50x the bet.
- Oozing RotoGrid FeatureSpins: Each spin guarantees that at least 2 blue oozing beakers and RotoGrid symbol land. Cost 75x the bet.
- Unleash The Ooze Free Spins: Cost 100x the bet.
- The Twist of the Twisted: Cost 200x the bet.
Pros
- A fun new mechanic that offers heaps of winning potential.
- A higher max win of 15,000x, unlike the 10,000x often seen in Hacksaw releases.
- The design of the game is fantastic.
Cons
- The RotoGrid takes a little bit of getting used to it if you're not an experienced slot player.
Twisted Lab Slot Review Final Thoughts
Twisted Lab features a fun new mechanic in the form of the RotoGrid, two bonus rounds, and a very well put together theme, making this a slot you definitely won't want to miss. I'd even go as far as to say that this could be a new favourite for many slot players, especially those who are big fans of Hacksaw.
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