Betty, Boris and Boo Slot Review
Cobwebs drape the bannister of a gothic parlour, a candle gutters on a side table stacked with old books, and two portraits on the wall show a sleepy-eyed hound and a hunched greenish creature who clearly own the place. For a game named after three characters, Betty, Boris and Boo is really about one: the bonus round is almost entirely Betty’s show, and how much you enjoy it depends on how happy you are waiting for her. The setting, lush and hand-drawn, plays its haunting for warmth rather than fright, which makes the waiting easier to live with.
The Red Tiger build runs on a 5×4 grid with a 95.69% RTP, a 5,241x maximum win, and bets from 0.1 to 50 per spin. It sits alongside the studio’s Spooky Carnival and Lucky Halloween in the spooky end of their catalogue, with Steve, Larry and Gogo being the closest cousin in naming spirit. Boris and Boo set the scene; Betty brings the money.
Symbols in the Parlour
The grid is framed in gold scrollwork under a plaque bearing the game’s name in glowing green letters, and the floor around it is littered with loose banknotes and coins. A golden winged statue perches near a bulging sack at the right edge, and the white staircase curves up past a gilt-framed oval mirror as if inviting someone upstairs.
Wins pay as multiples of the total bet rather than a line stake. The wild is a diamond that substitutes for all paying symbols, and it’s the richest symbol on the grid in its own right, ahead even of the Gold Skull. The scatter does its own job entirely, triggering the feature rather than paying.
- Wild: 2x for three, 5x for four, 10x for five
- Gold Skull: 0.1x for two, 1.5x for three, 4x for four, 8x for five
- Gold Ornament: 1x for three, 3x for four, 6x for five
- Book: 0.8x for three, 2.5x for four, 5x for five
- Oval Eye or Mirror: 0.6x for three, 2x for four, 4x for five
- Black Heart: 0.2x for three, 1x for four, 2x for five
- Candle and Green Heart: 0.2x for three, 0.8x for four, 1.5x for five
- Purple Heart: 0.1x for three, 0.5x for four, 1x for five
- Orange Heart: 0.1x for three, 0.3x for four, 0.6x for five
The ladder tells a clear story. From the Gold Skull down to the Gold Ornament, five-of-a-kind pays hold up reasonably well, and the Skull is the only symbol that pays for just two on screen. The Book, the Oval Eye and the Black Heart form a middle band, and below them the hearts take over as the filler tier.
The premium rungs are close enough together that a lucky grid can pay respectably without any feature help. Five wilds at 10x the total bet is the single best combination the game offers outside the bonus round, and the Gold Skull is the only paying symbol that starts awarding on a pair.
Hit frequency sits at 26.78%, so a little over one spin in four lands something. Most of those will be small multiples from the bottom of the ladder, which is the usual arithmetic when the lower tier is this light. Stakes run from 0.1 to 50 per spin, so the betting range is wide enough to cover both cautious sessions and bigger swings.
Spooky Spins
Three Spooky Spins scatters trigger ten Spooky Spins. Land one or two scatters on any spin and every scatter in view locks in place for the next spin, giving a second chance to complete the set. It’s a small mercy that keeps near-misses interesting rather than dead.
The lock works like this: the scatters hold their positions while the rest of the grid respins, so only the missing one has to land. Two locked scatters going into that respin are one symbol away from the round. If the third doesn’t arrive, the locks clear and the wait starts again.
During the round, all three spooky features become active, and a win multiplier can climb to 10x. Betty Wilds is the one that carries the round, and the other two play supporting roles around it. There’s no retrigger inside the round itself: ten spins is what you get, so what matters is what happens inside them.
Betty Wilds
When triggered, Betty appears and turns normal symbols into wilds that stay locked in place until Spooky Spins ends. She can show up more than once over the course of the feature, stacking extra locked wilds onto the grid each time.
Because her wilds persist for the rest of the round, each appearance raises the ceiling on every spin that follows it. A first appearance on spin two leaves eight spins running on a partly wild grid; one on spin nine barely matters.
The mechanic works in steps. Betty arrives, a cluster of ordinary symbols becomes wild, and those positions stay wild for every remaining spin. If she returns, another cluster joins them, and the grid gradually shifts from a normal five-by-four to something dense with substitutes.
Combine a well-timed Betty with the up-to-10x multiplier and the grid can fill with premium substitutes, which is the route to the game’s 5,241x ceiling. Ten spins is a short round, so the value depends almost entirely on how early she arrives and how much of the grid she claims.
Our Honest Verdict
Overall Rating: 7/10
Playing this is mostly sitting in a very handsome room waiting for Betty to walk into it. The parlour is genuinely lovely, the portraits and candlelight give it a personality most spooky slots never attempt, and the scatter-lock keeps near-misses alive, so the sitting is pleasant. But you come for one thing: the round where the wilds pile up.
That round is the strength. Wilds that stay locked for the whole of ten spins build on themselves, and an early Betty with the multiplier climbing is as good as this format gets. The weakness is everything outside it: the base game is a long corridor of small heart pays, and a round that activates three features while only one of them does the work is thin dressing.
It suits patient players who like one big build over constant noise, and it will appeal to anyone who enjoys Red Tiger’s spookier output. If you want frequent features, the parlour stays quiet. For everyone else, the haunting is worth an evening or two.
Betty, Boris and Boo FAQs
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How do you trigger Spooky Spins in Betty, Boris and Boo?
Three Spooky Spins scatters landing anywhere on the grid trigger ten Spooky Spins. If one or two scatters land instead, they lock in place for the next spin to give another chance at completing the set. -
What do Betty Wilds do?
During Spooky Spins, Betty appears and converts normal symbols into wilds that stay locked until the feature ends. She can appear multiple times, adding more locked wilds as the round goes on. -
What happens if you land one or two scatters in Betty, Boris and Boo?
All scatters in view lock in place while the rest of the grid respins, so only the missing scatter has to land. If the third doesn’t arrive, the locks clear. -
Can Betty appear more than once during Spooky Spins?
Yes. Betty can appear multiple times throughout the feature, and every appearance adds more locked wilds that remain until the round ends. -
Can Spooky Spins be retriggered during the round?
No. The round runs for the ten awarded spins, and the feature’s value comes from locked wilds and the multiplier building inside it rather than from extra spins. -
What is the RTP of Betty, Boris and Boo?
The RTP is 95.69%. -
What is the maximum win on Betty, Boris and Boo?
The maximum win is 5,241x your total bet. -
Who makes Betty, Boris and Boo?
Betty, Boris and Boo is made by Red Tiger.
