No Brainer Slot Review
Albert Einstein's brain 🧠 never made it into the ground with the rest of him. In 1955 the pathologist on duty, Thomas Harvey, took it home. I once walked away with a hotel pen and felt guilty for a week.
Harvey cut the brain into about 240 blocks and kept them in jars 🫙 for decades. One reporter finally tracked part of it down in a cider box under a beer cooler in Kansas.
The most famous mind of the century ended up in a storage closet like a forgotten casserole. No Brainer slot from Red Tiger has the same problem, a mad scientist's lab 🔬 stocked with jars and a claw that lowers brains into a tank.
Gameplay
The reels sit in dark blue glass in a teal-green lab, with monitors on the right and a goggled scientist leaning over a tank that a claw keeps dropping Brains into. I'd keep him away from my brain, which has had a rough enough life.
The game has a 6x4 grid with 16 paylines, and wins pay from left to right on adjacent reels starting from the leftmost reel. 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. is 96.04% and the volatility is low.
The max multiplier is 12,500x and the max win is $187,500, with bets from $0.10 to $15. For my crypto bros, Dogecoin isn't available, and neither are Australian dollars.
At the top of the paytable, the Helmet symbol pays 25x for 6-of-a-kind. The Controller, Eyeball Jar, Heart Monitor and DNA Card symbols pay 10x, 7.5x, 5x and 3x, respectively.
The A and K symbols pay 2x each, and the Q, J and 10 symbols pay 1.5x each for 6-of-a-kind.
The Wild symbol replaces all paying symbols and pays 25x for 6-of-a-kind. The Scatter symbol triggers Free Spins.
Brains can drop into a tube above each reel before a spin, carrying anywhere from 2x to 99x. Land a Wild below a Brain and the Wild stretches over the whole reel and takes that Brain's multiplier.
A Donor Brain always holds a multiplier and adds it to every regular and Collector Brain in the tube, while a Collector Brain scoops up the values of all regular Brains and adds them to its own.
Donor Brains trigger before Collector Brains, and both trigger before any Wild expands. When several Wilds share a winning line, their multipliers add together.
The game also has 2 jackpots, Hourly and Super Jackpot. Hourly has to drop before a set time, Super Jackpot is progressive, and multipliers never touch either one.
Features
FREE SPINS:
Land 3, 4, 5 or 6 Scatter symbols and you get 12 Free Spins with a minimum Brain multiplier of 2x, 5x, 10x or 20x, respectively.
After any spin where a Brain joins a Wild, that minimum steps up to the next multiplier for the rest of the round, capped at 99x.
The round ends the moment the total win hits 12,500x, and any spins left are forfeited.
FREE SPINS PROGRESS:
Each Scatter that lands in the round fills the current flask, and 3 Scatters fill it. A full flask adds 5 Free Spins, up to 27 in total, and upgrades the round.
Level 1 guarantees at least 1 Brain on every spin. Level 2 guarantees at least 2 Brains, one of them a Collector Brain, and Level 3 guarantees at least 3 Brains, one a Collector Brain and another a Donor Brain.
BUY BONUS AND ANTE BET:
The Buy Bonus has 3 options, each for 12 Free Spins: Free Spins at 90x, 4 Scatters at 200x with a 5x minimum Brain multiplier, and 5 Scatters at 350x with a 10x minimum.
The Buy Bonus 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. is 93.07% for Free Spins and 4 Scatters, and 93.18% for 5 Scatters.
Bonus Chase sets the total bet at 3x and makes landing Scatters 5 times more likely. Brain Chase sets it at 7.5x, guarantees 2 Brains in the tube on every spin and doubles the chance of landing Wilds.
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. is 96.05% with Bonus Chase and 96.09% with Brain Chase.
Performance
I spent a long session in this lab and the game never glitched, froze or stalled on me.
Maximum Win
The max win is $187,500, reached with the max multiplier of 12,500x at the top bet of $15. The smallest bet you can place is $0.10.
Conclusion
The slot's money is the expanded Wild. A Wild under a high Brain turns a whole reel into a multiplier, and the Donor and Collector Brains pump up the other Brains before any Wild expands.
The route to the max multiplier is Wilds carrying high Brain multipliers, and Free Spins keep raising the minimum Brain multiplier toward 99x.
My own arithmetic says 6 Wilds on one line carrying 99x each add up to 594x, and 594x on a 25x line is 14,850x, so the paytable can reach the max multiplier on its own.
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. makes this a longer session game, and low volatility paired with a max multiplier this big is a combination you don't see often.
Each Buy Bonus option returns about 3 points less than base play, so I'd skip all 3.
Bonus Chase triples the bet to make Free Spins 5 times more likely, which suits players who want the round sooner, and Brain Chase at 7.5 times the bet is the one I'd pass on.
Low-bet players who want long sessions with a shot at a huge hit are the target. Anyone who plans to buy every bonus should look elsewhere.
Slot Details
Game Provider: Red Tiger
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.: 16
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.: 96.04%
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.: Low
Bonus Round: No
Progressive: Yes
Free Rounds: Free Spins
Max Multiplier: 12,500x
Max Win: $187,500
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