Free Booster slot
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Booster slot is a game which tips its hat to the retro-style arcade theme, as seen with Thunderkick's Flame Busters and Genesis Gaming's 8-Bit Intruders. It seems players of a certain age appreciate this and I'm sorry to admit that also includes me. The reels are transparent and placed over a backdrop of a moving starscape like you may have seen in those old Atari cabinet Asteroids-type skill games. The sounds are equally basic with simple whir as they spin and tap as they stop, only broken by a brief burst of sound when a win appears. OK, groan if you will, but will Booster slot be able to give your bankroll a boost too?
On the reels...
You begin with 25 pay lines over a standard grid of 5 reels and 3 rows. All the icons can appear stacked except the top two, a Gem and Red 7 paying 80 and 20x bet respectively for the 5-of-a-kind win. The retro fruit machine symbols continue with Blue 7's and Stars at 8 and 6x bet and the remainder are bars in either triple, double or single form at 4, 3 and 1x bet for the full line. There is one more icon on this basic game and that is the Lightning Flash which appears on all reels as the scatter.
Yes, that's exactly what they call it in keeping with the back-to-basics ideal. The 'Bonus Game'. Now luckily this can be rather more interesting than the appearance of the game as when 3 or more Lightning scatters land we are taken to a rectangular button that sits in the centre of 8 more rectangles each containing a prize. You press and the game will select on of the following:
6000 coins, a decent 240x bet win.
5 free spins with 5x multiplier
10 free spins with 3x multiplier
10 free spins with 2x multiplier
50 free spins with a 2x multiplier
15 free spins
100 free spins
Mystery - spinning barrel with all of the above but some rubbish 4-10x bet coin awards between them which is what it'll usually award.
Booster slot does pretty much what it says on the tin - a low volatility game which should give you a decent run for your money and doesn't take too much effort to play. You get a 96.16% RTP although the potential for big hits is effectively limited to an unlikely 400x stake if you land the 5 Gems in the 5x multiplier free games. If you trigger with 4 scatters it seems to favour the 6000 coins rather more than for 3 scatters, which is quite interesting! From what I saw, if you have the staying power a boost is just as likely as a bust - albeit quite a small boost...