Under Construction Slot

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Earn up to 800,000 coins Full bonus terms


Earn up to 800,000 coins Full bonus terms

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As you’ve probably guessed, Under Construction is a slot machine that is based on the building trade and it comes from slots giants Booming Games. The 5-reel 25-payline slot game allows you to erect some big wins when you stake between 0.75 and 75.00 a spin. Follow the plans and you will get your hands on some rather tasty bonuses as well as a non-progressive jackpot of up to 75,000.

Grab your hard hat and steel capped boots, because today is your day to pay a visit to the local building site. You won’t need to watch out for falling timber because the only thing that’s falling here are symbols on the reels. By playing Under Construction, you’ll encounter wilds, scatters, free spins, expanding symbols and some big cash indeed.

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Grab Your Tools

Set between two metal joists is where you will find the reels of the game. The 5×3 slot machine offers 15 different stone panels with different symbols stamped upon them. Surrounding the reels you will see JCBs, skips full of timber, bricks, mechanical lifts and standing guard to the left of the reels is a rather plump builder with his belly hanging over his trousers. The skies may be blue in the background, but you won’t be with the different ways that you can win.

Cones, hard hat, jigsaw, jackhammer, drill, steel capped boots and a hammer and saw are the symbols on the reels. The roundabout symbol to the lower of the screen is your spin button, and either side are options to increase or decrease your bets. To the top of the screen is another orange panel, this offer gaming options and allows you to see your balance and bet per spin.

Winning Opportunities

The amount you stake per spin, will determine the cash that you can win. Bet maximum stakes per spin and you will have the potential to unlock a 75,000 cash jackpot. Land five of a kind of the cones symbols to trigger that non-progressive jackpot.

Look out for the hard hat symbol as this awards the second highest cash prize of the game – up to 12,000 for a payline full when betting maximum stakes. The jigsaw pays up to 1,125 with all remaining symbols paying between 60.00 and 300.00 coins when 5 fall on your active win line.

Basic Features

You won’t find too many complicated features on offer with the Under Construction slot machine, there are a few special symbols to the game that unlock certain features. The wild is the cones symbol, this will replace other symbols on the reels (apart from scatter) to help create winning paylines where they may have been missed.

Scatters are the jigsaw symbol, 3 or more will award 10 free spins. Before you start spinning the reels, a bonus wheel will appear with all of the symbols to the game. Stop the wheel spinning and the symbol it lands on will become an expanding symbol. When that randomly selected symbol falls on at least 3 different reels, they will expand to cover the entire reel.

Base game wins will highlight the gamble button – click this and you have the chance to double your money. A cement mixer is sitting to the centre of the screen with work boots to the left and a hard hat to the right. Click one of the symbols and see what the mixer throws out onto the screen. Correct guesses double your initial win, but incorrect guesses will confiscate your winnings.

Similar Slots

Construction themed slot machines are in the minority, but a similar slot to Under Construction is Spanish Eyes from Nextgen Gaming. Whilst they offer two totally different themes, both offer the same number of reels, paylines and variance. Spanish Eyes is a highly animated video slot machine that allows you to play from 0.25 to 125.00 as you try to trigger free spins and the 10,000 coin non-progressive jackpot.


Under Construction is a medium variance slot game with plenty of different winning combinations that can fall frequently whilst playing. Those playing small stakes can win great cash prizes, but not as good as those playing high roller stakes. Free spins is the bonus feature that can award colossal wins – thanks to the expanding symbols and the ability to retrigger free spins indefinitely, but these free spins rarely make an appearance.