Boulder Bucks

Theme of the game

boulder bucks slot logoBoulder Bucks is a slots game developed by Barcrest that is inspired by a well known cartoon from the 60s, The Flintstones, where caveman shared the present time with dinosaurs and saber-tooth tigers from the stone age.

The game background reflects a sunny day in a place filled with colorful rocks. The symbols used in the slots are all references to that same cartoon. The graphics feature advanced looking models and natural animations that play to setup the environment pretty nicely.


Barcrest is a gaming developer which is part of Scientific Games, both established in the UK, and it’s focused on producing high quality online and mobile slot games.

The games of this developer normally include a Big Bet button for increased rewards using consecutive spins and a different pay table depending on your betting amount passing some threshold, that is usually €2.

How to play it

Boulder Bucks is a standard slots game with 5 reels and 10 paylines. The user interface panel has the Spin button, the Big Bet button and an Autoplay button on the right side.

In the left side it has some arrows to change the amount of the bet per line. The game has four value cards that are used for low pay symbols and three images of the characters that are used for high pay symbols.

The game also has one Wild symbol and two Scatter symbols that can trigger the Free Spins bonus game or some hidden reward.

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Special Features

There are several special features in Boulder Bucks. There is the Egg Pick Me bonus that takes place when you get 3 Egg Scatter symbols. You get to choose a hidden reward, either a multiplier or the Free Spins bonus game.

Another way of entering the Free Spins bonus game is by getting three Boulder Bucks Logo Scatter symbols on reels 1, 3 and 5. The Boulder Bucks Logo on the reel 5 will have a number which indicates the number of selections you have for this bonus game.

The Free Spins bonus game has three modes, Mammoth, Pterodactyl and Saber-Tooth Tiger, each one with different gameplay and strategies. The Mammoth mode has 20 Free Spins and Wilds in all the full reel where they appear.

The Pterodactyl mode has 10 Free Spins and Wilds that will cover all of the row to the left of where they appear. The Saber-Tooth Tiger mode has 6 Free Spins and Wilds in all the full reel where they appear, also remaining in this way for the rest of the Free Spins.

When the bonus game finishes, you can choose between collecting all wins or the opposite, to forfeit them and select a different mode, but only if you have a selection amount remaining.

The Big Bet button opens an option where you can bet €20 or €30 for 5 consecutive spins that use a €2 bet per spin, and some extra mechanics to reach easier the Free Spin Bonus game.

The €20 bet has the extra mechanic to get a Pick Me bonus on the reel 5 when you get two Boulder Bucks Logo symbols on reels 1 and 3, where you could trigger the Free Spins bonus if you guess correctly the third Boulder Bucks Logo.

The €30 bet will have the same extra mechanic of the Pick Me bonus in any of the 1, 3 or 5 reels if you get the Boulder Bucks Logo in the other two remaining reels.

Maximum Payout

In Boulder Bucks, the maximum payout and the RTP depends on the bet amount and your ability to use the optimum strategy while playing and selecting the Free Spins bonus game. The maximum payout can go from 250 to 500 the betting amount, and the RTP can go from 77% up to 98%.


Boulder Bucks is a slot game with “The Flintstones” thematic that combines advanced graphics, a really multicolor palette, perfectly integrated animations and a range of different gameplays based on different betting amounts and personal preferences.

All of that put together offers an unique and flexible experience which can fit to a wide range of different players.

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