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Buster's Bones Slot Review

by NetEntReleased Apr 20, 2023

Free demo - play instantly in your browser

Buster is a bloodhound sheriff who doubles as the wild and the only multiplier the game has. Whenever bones land beside him he trots across the 6x6 grid eating them one at a time, leaving a wild in every square he vacates and adding each bone's value to his own total. In free spins he never leaves.

Demo player curtain

Specifications

Game TypeSlots
RTP96.07%
RTP Range88.01-96.07
VolatilityMedium-High
Max Win973x
Grid6x6
PaylinesCluster Pays (5+ symbols connected horizontally or vertically)
Min Bet$0.1
Max Bet$200
Hit Freq32%
Themes
Features

Buster's Bones Slot Overview

A cartoon Wild West where every outlaw is a dog and the law is a droopy bloodhound in a sheriff's hat. His name is Buster. He is the wild, and he is also the only multiplier the game has.

The board is a 6x6 saloon-porch grid paying clusters of five or more symbols that touch horizontally or vertically, with the usual avalanche refill after every win. Ordinary so far. What isn't ordinary is what happens when bones land while Buster is on the grid: he sets off walking, eats them one at a time, and leaves a wild in every square he steps out of while each bone's value gets bolted onto his multiplier.

Bones are worth +1, +2, +3 or +5, and random drops keep tossing them onto the reels, so this fires far more often than a once-a-session bonus. Only one Buster is allowed out there at a time, which is the leash that stops the whole thing running away.

Theme & Design

The grid hangs inside a timber shack on a porch, posts lashed with rope, bunting and a string of bulbs strung along the shingled roof, two brass hurricane lanterns burning either side and a horseshoe nailed up for luck. Beyond the frame it is red-rock country at sunset, mesas and hoodoos under a pink and blue sky, saguaro cactus, a WANTED poster with a dog's mugshot pinned to one of them, and a handcart heaped with bones parked on the right (someone has been busy). A cattle skull sits half-buried in the sand at the front.

The dogs carry the art. A heavy-lidded, thoroughly unimpressed hound in a blue frame, a smug boston terrier in purple, and a coyote in green with its eyes pointing in two directions and its tongue out. Low symbols are card suits branded into painted planks in orange, blue, purple and green, so even the filler reads as scuffed wood instead of the usual glass letters. Bones arrive as a white bone with a red badge on it, floating above the grid before it drops. It all looks like a Saturday-morning cartoon, and it holds that line without a single ironic wink.

Symbols & Paytable

SymbolPayout
Hound (blue frame)0.30x / 0.80x / 1.50x / 3.50x / 15x for 5 / 8 / 10 / 12 / 15+All three dogs share one pay scale
Bulldog (purple frame)0.30x / 0.80x / 1.50x / 3.50x / 15x for 5 / 8 / 10 / 12 / 15+Identical to the other two dogs
Coyote (green frame)0.30x / 0.80x / 1.50x / 3.50x / 15x for 5 / 8 / 10 / 12 / 15+Identical to the other two dogs
Heart, Club, Spade, Diamond planks0.10x / 0.50x / 1x / 1.50x / 5x for 5 / 8 / 10 / 12 / 15+All four suits pay exactly the same
Buster (bloodhound sheriff)no payout of his ownActs as a wild and carries the multiplier; only one on the grid at a time
Wildno payout of its ownSubstitutes everything except Scatters, Buster and Bones
Bonenot a paying symbolAdds +1, +2, +3 or +5 to Buster's multiplier
Scatternot a paying symbolCapped at two per spin; two plus a Buster start the free spins

Features & How They Work

Cluster Pays and Avalanches

Five or more matching symbols touching horizontally or vertically pay out, then the winners clear and the survivors drop into the gaps, chaining until nothing new forms. The pays underneath are deliberately tiny. A monster cluster of 15 dogs or more returns 15x, the card suits stop at 5x, and there are only seven paying symbols in the whole game split across two pay scales. The clusters exist to keep the board turning over. They are not how anyone gets paid here.

Buster's Bones Feature

Buster and at least one Bone on the reels together set it off. Buster walks to the bones one by one in random order, swallows each one, and turns every square he vacates into a wild as he goes. Each bone adds its value to his personal multiplier.

So a single trip does two jobs at once: it drags a trail of wilds through the middle of the grid, and it raises the number every resulting cluster gets paid at. Four or five bones in one go puts him into the twenties. Because the wilds land exactly where the bones were scattered, the trail tends to cut across whatever was half-formed already. In the base game, though, the multiplier dies the moment the round finishes.

Random Bone and Buster Drops

The reels don't have to supply the setup on their own. In the main game, random drops throw up to 5 Bones onto the grid, or a Buster, or both together, and that is the most common way a walk gets started. In free spins only bones fly in, up to 4 at a time, since Buster is already standing on the board.

Free Spins and the Sticky Buster

The trigger is not three scatters. Two Scatters plus one Buster in the main game award 8 free spins, and it has to work that way because the game never puts more than two scatters on the reels in a single spin.

Once inside, Buster stays for the entire session and his multiplier turns persistent. It carries spin to spin, never resets, and climbs again every time fresh bones land and he goes for another walk. Retriggers are lopsided: one scatter buys a single extra spin, two scatters buy three.

Buy Feature at 60x

The gold plaque on the left post sells the bonus for 60x the bet. What it actually buys is one free main-game spin rigged to trigger, rather than a direct drop into the 8 spins. The return inside it is 96.03%, a shade under the 96.07% base game. Small gap, and nobody advertises it, but it points the wrong way for something you pay a premium to reach.

Screenshots

Buster's Bones slot gameplay showing the 6x6 saloon cluster grid with cowboy dog symbols and a bone multiplier token
Buster's Bones slot gameplay showing the 6x6 saloon cluster grid with cowboy dog symbols and a bone multiplier token

How Buster's Bones Plays

Roughly a third of spins pay something, so the grid is almost never quiet and almost none of it matters. Small clusters land, clear, refill, land again. The balance drips down instead of falling, which is comfortable and slightly numbing, and the actual rhythm of a session is set by one thing only: whether bones happen to show up while Buster is out.

When they do, the game wakes up hard for about four seconds. Buster trotting from bone to bone with the number climbing over his hat is the best moment the game has. Then the round ends and it is all gone, which takes some getting used to. A big multiplier over a handful of small clusters adds up to less than it looked like it would.

Free spins flip that, and eight spins is short enough that the bonus plays out as a race. A session that gets three or four bones inside the first two spins ends up somewhere completely different from one dribbling a single +1 at a time, and there is no way to influence which one you get. That spread is wider than the friendly cartoon front suggests, and it can feel like the game is either showing off or ignoring you, with not much in between.

Pros & Cons

Pros

  • Buster's walk spreads wilds and builds the multiplier in the same move, which is a proper idea rather than a meter in the corner
  • 32% hit frequency keeps the board busy and the gaps between features short
  • Persistent multiplier gives free spins a shape the base game genuinely lacks
  • Cartoon dog art with far more character than the western shelf usually manages

Cons

  • 973x ceiling is low for a game labelled medium-high volatility
  • Seven paying symbols on two pay scales; symbol wins alone are near-worthless
  • Buy costs 60x and runs at 96.03%, below the 96.07% base RTP
  • Base-game multiplier evaporates at the end of every round, however high it climbed

Is Buster's Bones Worth Playing?

7/10

NetEnt built one good idea here and arranged the rest of the game around serving it. Buster's walk is worth loading it for, and the free spins are where he finally sticks around long enough for the multiplier to amount to something. The art carries more personality than the western shelf usually gets.

It probably won't hold anyone for a long session. The ceiling is modest, and for my money it sits awkwardly next to that medium-high label, while the symbol pays are thin enough that a bonus with no bones in it leaves nothing behind at all. The bones are the game. Everything else is decoration on a very nicely painted porch.

Frequently Asked Questions

What is the maximum win in Buster's Bones?

973x the bet. The game itself never prints a max multiplier, and reaching anywhere near the ceiling needs Buster's persistent multiplier to climb high in free spins while decent clusters keep forming under it.

How do you trigger the free spins?

Two Scatter symbols plus one Buster symbol in the main game award 8 free spins. It cannot be three scatters because the game only ever puts two on the reels per spin. Inside the bonus, one scatter adds 1 extra spin and two scatters add 3.

What is the RTP of Buster's Bones?

The full build runs at 96.07%. Playing through the Buy Feature drops it slightly to 96.03%. Some operators license lower builds at 94.04% or 88.01%, so it's worth checking the figure in the game rules at whichever casino you load it.

Is there a bonus buy?

Yes, 60x the bet. It plays one free main-game spin that is guaranteed to trigger the 8 free spins rather than dropping you straight into them.

Can you play Buster's Bones for free, and is there an age limit?

The demo runs with play money and no registration, so you can try the bone walk without risking anything. Real-money play is restricted to players aged 18 or over (21 in some jurisdictions). Set a budget before you deposit and stop when you hit it.
Arina

Reviewed by Arina, PR & Content Manager

PR & Content Manager at SlotsReach

Published 2 Aug 2026 · Updated 2 Aug 2026