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Whodunit? Slot Review

by GeniiReleased Aug 26, 2020

Free demo - play instantly in your browser

Whodunit? by Genii drops Cluedo-style sleuthing onto 5x3 reels framed in dark mahogany, with a room-pick bonus and doubled free spins. Want to try Whodunit?

Demo player curtain

Specifications

Game TypeSlots
RTP95.4%
VolatilityHigh
Grid5x3
Paylines40 paylines (player-selectable 1-40)
Min Bet$0.01
Max Bet$50
Themes
Features

Whodunit? Slot Overview

Whodunit? is Cluedo with the serial numbers filed off, rebuilt as a slot. Four suspects, four murder weapons, and a manor full of rooms to search for cash. Genii kept the machinery underneath about as plain as it gets: five reels, three rows, 40 paylines paying left to right, and a wild that substitutes and nothing more.

Where the game spends its ideas is on the two scatters. One is a magnifying glass that hands out free spins with every win doubled. The other is a miniature game board that opens a room-picking bonus on the manor floor plan. They never overlap, since the room game stays shut while free spins run.

The pay table runs deeper than most Genii titles of this vintage, twelve line symbols before the specials, topping out at 1,500 coins for five of the Lady in Red. The less flattering number is the RTP. 95.4% sits well under where players expect a modern 40-line game to land.

Theme & Design

The reels hang inside a carved dark-mahogany picture frame in the library of an English country house, and the room behind it has been furnished properly: arched bookcases of leather-bound spines along both walls, a deep-buttoned red leather wingback in the corner, a gilt chandelier catching light along the top edge, an oil portrait of some long-dead gentleman on the far wall. Each reel cell carries its own pastel tint, and the suspects land on the colour that belongs to them. The chef in her tall white toque sits on pale blue. The reverend in his forest-green suit sits on green, the monocled gentleman in the mustard three-piece on yellow, the Lady in Red on red. A quiet nod to the coloured rooms of the board game, and for a murder-mystery parody it shows more care than the concept strictly needed.

The character art is photoreal 3D rendering of the mid-2010s sort and has not aged wonderfully, though the poses carry the joke: the reverend brandishing a syringe, the chef gripping a carving knife, everyone smiling like they have nothing to hide. The weapons fare better. A gold art-deco pistol with a marble grip, a rolling pin lit like a film prop, a wine glass beside a squat bottle with a skull-and-crossbones label, a green-enamelled crucifix on a chain. The royals are flat colour-blocked letters that look like they wandered in from a different game. Audio is thin too, a handful of win jingles and a separate loop for the free spins, with no big-win escalation at all.

Symbols & Paytable

SymbolPayout
Whodunit? Wildno payout of its ownsubstitutes every symbol except the two scatters
Free Spins Scatter (magnifying glass)8 / 12 / 15 free spins for 3/4/5lands anywhere on the reels, pays no coins
Feature Scatter (game board)opens the Whodunit Feature Game on 3 or moreinactive during free spins
Lady in Red125 / 500 / 1,500 coins for 3/4/5top line symbol
Chef in whites50 / 150 / 1,000 coins for 3/4/5
Reverend in green40 / 125 / 500 coins for 3/4/5
Monocled gentleman in yellow35 / 100 / 250 coins for 3/4/5
Golden pistol33 / 65 / 100 coins for 3/4/5first of the four weapon symbols
Rolling pin30 / 55 / 85 coins for 3/4/5
Wine glass and poison bottle27 / 45 / 75 coins for 3/4/5
Silver crucifix25 / 35 / 65 coins for 3/4/5
Ace10 / 15 / 20 coins for 3/4/5
King8 / 10 / 15 coins for 3/4/5
Queen6 / 8 / 10 coins for 3/4/5
Jack3 / 6 / 8 coins for 3/4/5

Features & How They Work

The Whodunit? Wild

The wild is the game's own logo tile, white lettering with four coloured pawns lined up beneath it, and it does one job: substitute for any symbol except the two scatters. No multiplier attached, no payout of its own, no stacking. On a high-volatility 40-line game that is a thin wild, and it is the clearest tell of how old the underlying build is.

Free Spins with Doubled Wins

Three or more magnifying-glass scatters anywhere on the reels start the round. Three award 8 free spins, four award 12, five award 15. Every win during the round pays double, and further scatters retrigger, so a good run stacks more spins on top of the doubling. Bet and line count lock to the triggering spin.

The Whodunit Feature Game

Three or more of the purple board-game scatters send you to a floor plan of the manor, where each room picked awards a random prize scaled to the bet on the triggering spin. There are several picks per visit rather than a single one, which is where most of the round's value sits. Genii never states the exact pick count or what brings the round to a stop, so the ceiling on it is unclear going in. The feature stays locked while free spins are running, so the two bonuses never combine.

Paylines You Control (and No Buy Button)

Lines are adjustable from 1 to 40, coins per line run 1 to 5, and the chip sizes are $0.01, $0.05, $0.10 and $0.25. Total stakes reach from a penny to $50, defaulting to $4 on 40 lines at two coins each. That kind of line-by-line control has largely vanished from newer slots, and dropping to a handful of lines is one way to stretch a small balance, though it also cuts the odds of catching three of either scatter. No buy feature, no gamble ladder, no jackpot.

Screenshots

Whodunit? gameplay screenshot
Whodunit? gameplay screenshot

How Whodunit? Plays

Sessions here run long and quiet. Nothing cascades, nothing expands, and no meter fills in the corner, so the base game comes down to whether a suspect lands three deep along one of the lines. Weapons and royals pay in dribs that barely cover the stake. When a character does line up across four or five reels the jump is sharp, and that gap between nothing and something is where the high-volatility label earns itself.

Two separate scatters split the bonus load in an awkward way. Each needs three of its own kind on a 15-cell grid, so neither turns up as often as one shared trigger would, and the wait between features stretches. What that buys is two rounds that pay in completely different rhythms. Free spins build slowly and can run away with themselves when the doubling catches a decent line, while the room picks are instant, guaranteed, over in under a minute and rarely enormous. Probably the more satisfying of the two, if only because it always pays something.

And the balance drains between features faster than a 40-line game usually manages.

Pros & Cons

Pros

  • Room-pick bonus that maps onto the Cluedo premise instead of being a reskinned pick-three
  • Two bonuses that pay in different rhythms, one slow-building, one instant
  • Twelve line symbols across suspects, weapons and royals keep the reels varied
  • Old-school bet control: 1 to 40 lines, 1 to 5 coins per line

Cons

  • 95.4% RTP sits below the current standard
  • The wild only substitutes: no multiplier, no payout of its own
  • Two competing scatter symbols means both features trigger less often than one shared trigger would
  • Character renders and flat card royals look their age

Is Whodunit? Worth Playing?

5/10

For a 2020 Saucify build, Whodunit? has more personality than it needed. The Cluedo lift is shameless and charming, the manor library is properly dressed, and the room-pick bonus is one of the rare times a slot bonus maps onto its own theme rather than being a generic pick screen wearing new art. That counts for something.

What it cannot hide is the age of the engine underneath. A wild that only substitutes, no multipliers anywhere in the base game, two scatters fighting for the same reel space. Players who came up on 40-line machines and miss having the line controls back will find plenty to like. Anyone arriving from cluster and tumble games will find the base game slow going. The game knows which decade it is from, and it never pretends otherwise.

Frequently Asked Questions

How do you trigger the free spins in Whodunit?

Land three or more of the magnifying-glass Free Spins scatters anywhere on the reels. Three give 8 spins, four give 12 and five give 15. Every win pays double during the round, and more scatters retrigger it.

What is the Whodunit Feature Game?

Three or more of the purple game-board scatters open a floor plan of the manor. Each room picked awards a random cash prize scaled to the bet on the triggering spin, with several picks per visit. It cannot trigger while free spins are running.

What is the RTP and volatility of Whodunit?

The RTP is 95.4%, which is below the modern norm of around 96%. Volatility is high, so wins come in uneven bursts rather than a steady trickle.

Is there a buy bonus in Whodunit?

No. Both features have to be triggered by landing their own scatters, and there is no gamble round or jackpot either.

How much does Whodunit cost to play, and is there an age limit?

Stakes run from $0.01 to $50 per spin, with 1 to 40 lines and 1 to 5 coins per line. The demo is free and uses play money, but real-money play is restricted to players aged 18 or over (21 in some jurisdictions). Set a budget before you start and treat any bonus round as entertainment, not income.
Arina

Reviewed by Arina, PR & Content Manager

PR & Content Manager at SlotsReach

Published 7 Aug 2026 · Updated 7 Aug 2026