(Iron Dog Studio) Slot Review

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Bulldozer: Slot Overview

Cock-a-doodle-doo! Get ready to cultivate some exciting wins with a new slot offering from Iron Dog Studios (1x2 Network).  The game takes us to the pasture of farmland where we find a farmer, bales of hay, roosters, rams and most importantly, bulls. This cheery mixture of animals and farmers alike provide for a gaming experience that will surely find an audience in the gaming world, especially fans of classic hold-and-win style slots.

Bulldozer slot
Bulldozer slot - base game

Bulldozer is a medium volatility slot with a standard RTP of 96.07% but is also available in lower RTP versions (94.02%/88.03%). The action itself takes place on a 5-reel, 3-row active panel with 20 fixed paylines to land winning combinations on. playable stakes are €/$0.20-€/$50.00, available on both mobile and desktop devices. For those who want to jump straight into the more potentially rewarding parts of the game, a bonus buy option is available, allow you to buy 10 spins for 71 times your stake, alternatively 20 spins for 142 times your stake, or a whopping 30 free spins for 214 times your stake. The Hold and Win feature itself cannot be purchased, but in testing, the hit frequency appeared not too brutal.

Bulldozer: Slot Features

Bulldozer slot
Bulldozer slot - Hold & Win Respin feature

This farm-themed slot is akin to Play'n Go's recent 2022 release Animal Madness although the setting for the slot is the only thing that is not a typical hold-and-win type slot. Iron Dog has added extra features into the mix to differentiate it from the rest, including Spreading Wilds, Coin Collection, Free Spins, and a hold-and-win round.

Bull Wild

This is where the bulldozer comes in.  Bull Wilds can appear on reels and substitute for all non-special symbols. If you land a Bull Wild and a Bulldozer symbol on the same spin, the Bull Wild will charge towards the nearest bulldozer to replace the symbol, leaving a trail of Wild Bulls behind it - a feature reminiscent of ELK Studios' successful Toro series of games.  Landing a full line of Bull Wilds will result in 250 times your bet. This feature is available in both the base game and the free spins.


Coins can appear on all reels, and landing 5 or more coins will trigger the hold-and-win feature.  If you trigger the feature during the free spins round, a "W" Coin will substitute for all non-special symbols. When the coin lands on the reels, it will flip to reveal a multiplier which will affect any win line it is a part of.  If you are lucky enough to get two multipliers on the same win line - they will multiply each other.

Free Spins

Landing 3 or more scatters triggers the free spins feature; 3, 4 or 5 scatters give you 10, 20, or 30 free spins, respectively. During free spins, the Bull wild and coin features are in play, with an added +1FS coin. Moreover, the wooden cannon is more frequently active than in the base game. This cannon fires coins onto the active panel for an increased chance of triggering the hold-and-win feature.


During the base game or in the free spins feature, if you are lucky enough to land 5 or more coins, this will trigger the hold-and-win feature. Standard hold-and-win rules apply; 3 spins awarded - land another paying coin and the number of respins resets to 3. Jackpot coins are also available, and landing one will result in a prize ranging from 50 times your stake for the Mini Jackpot all the way up to 750 times your stake for the Major Jackpot. Fill the screen with paying coins, and a prize of 2500 times your stake is awarded.

bulldozer slot
Bulldozer slot - free spins

Bulldozer: Slot Verdict

The opportunity to review another hold-and-win slot is usually not the most exciting task, though, in the case of Bulldozer, there are enough modifiers and features to keep casual slot players interested. The hardcore gamers, on the other hand, might not be too impressed with getting their hands dirty doing some farming here. Sure, Bulldozer will not produce epic wins like previous Iron Dog Studio slot hits like Pirate Kingdom Megaways or 1 Million Megaways BC. However, the fairly high potential might be incentive enough for even more experienced players to go give it a try.

Speaking of potential, spreading wilds meeting the bull wild can result in significant wins during base game play given the fact that a full screen of wilds will produce the coveted 5000x payday. To sum things up, fans of hold-and-win slots are quite likely to enjoy Bulldozer to some extent seeing there is potential for some decent wins. The gameplay itself isn't terrible either though, if you're not a fan of this type of gaming, Bulldozer won't convert you.


The gameplay concepts are solid, but since they never quite gel, Bulldozer is ultimately less than the sum of its parts.

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