777 Rainbow Respins

Review, Demo Play, Payout, Free Spins & Bonuses

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  • Wild multiplier symbols
  • Maximum payout of 6,500x
  • Turbo play
  • No progressive jackpot
  • No advanced auto play settings
  • Narrow bet range

777 Rainbow Respins is an online slot from Crazy Tooth Studio. It has 4 reels with 7 rows and 127 paylines. The game’s RTP is 96.10 per cent and its variance is high. It features concepts from Irish folklore including leprechauns, harps and rainbows. It features wilds, scatters and respins.


Crazy Tooth Studio demo slots have been a feature of gaming life since the company was founded in 2011. Based in Nevada, arguably the international home of gambling, Crazy Tooth has gained access to some of the best slot casinos in the world. In 777 Rainbow Respins Crazy Tooth have ventured into Irish folklore tradition in a similar way to Barcrest in their Rainbow Riches slot. Cultural stereotypes aside, the theme of good luck is very appropriate for a slot game.

777 Rainbow Respins has 4 reels and 7 rows with 127 paylines. The minimum bet size is 0.20 and the maximum is 40.00. There are 12 regular symbols: a Golden 7, a Rainbow, a Harp, Bars, the four playing card suits, a Star, a Moon, a Horseshoe and a Sun. The scatter symbol bonus is a pot of gold and there are also multiplier symbols.

Theme, graphics and soundtrack

The graphics are very simple and slightly corny. The music is recognisably Irish but rather heavy handed. There is very lttle animation apart from the constantly jiggling leprechaun who grows larger as the three layers of his hat spin to give you, with any luck, a multiplier.

777 Rainbow Respins

777 Rainbow Respins RTP and variance

The game’s RTP is 96.10 per cent, which is about average for slot games. The variance is high.

How to play 777 Rainbow Respins

  1. Winning combinations are formed when 3 or more of the same symbol land on a payline on adjacent reels, starting with the leftmost reel. Only the largest win per payline will be paid.
  2. If you do not land a winning combination, the game is over and you may spin again.
  3. Click on the three coins in the menu above the play button to open the bet options and scroll from 0.20 to 40.
  4. To select the automatic mode click on the small green play button and select the number of auto spins you require from 10 to 100. Here you can also set the bet.
  5. Click on the Play button or use the space bar to spin the reels at the current bet level. You can stop the reels whenever you wish by clicking the play button again or pressing the space bar.
  6. Paytable details and other game information is available in the three-line menu.
  7. There are two wild multipliers. The 2x multiplier substitutes for all symbols except the 5x multiplier and the scatter. If a 2x multiplier is part of a winning combination it will increase that win by 2. The 5x multiplier substitutes for all symbols including 2x multipliers but not for scatters. If a 5x multiplier is part of a winning combination it will increase that win by 5. The 5x multiplier appears only during the 777 Rainbow Respins Bonus.
  8. The scatter symbol appears on reels 1, 2 and 4 only and does not appear during the respins bonus.
  9. We are strong supporters of responsible gaming. If you decide to bet real money in the game then please be aware that you could lose it. Make sure you do not go beyond the limits of what you can afford. If necessary, make use of the time-out and self-exclusion features in your gaming account. When the game stops being fun you should stop playing.

Bet sizes and paytable wins

The bet size ranges from 0.20 to 40. The maximum pay-out is 6,500x.

All symbols pay on combinations of 3x, 4x and a full gameboard. The highest values for each symbol in the paytable are as follows:

Golden 7

Full = 6.35

Rainbow, Harp, Bars

Full = 5.08

All other symbols

Full = 2.54

777 Rainbow Respins bonus features

Respin Insanity Feature

Any winning spin will trigger the Respin Insanity feature. When it is triggered, all symbol positions containing winning symbols will form a respin area. All symbols in this area except 2x wild multipliers are respun. If a respin lands a symbol that matches one or more positions outside of the respin area, those positions are added to the respin area, and the respin area is respun again.

After each respin, 2x wild multiplier symbols may be awarded in the respin area, and the gameboard is assessed for additional wins. The feature bet multiplier is determined by the bet multiplier of the game which triggered the feature. 

777 Rainbow Respins Bonus

3 Scatter symbols will trigger the 777 Rainbow Respins Bonus. The scatter symbols will transform to either 2x or 5x wild multiplier symbols which remain for the duration of the spins. 4 spins are awarded. Any winning spin triggers the Respin Insanity Feature. All 2x and 5x wild multiplier symbols remain locked for the duration of the bonus. The 777 Rainbow Respins bonus cannot be retriggered. The bonus spins bet multiplier is determined by the bet multiplier of the game which triggered it. After the final bonus spin the 777 Rainbow Respins Bonus is complete.

777 Rainbow Respins review: our verdict

We felt that the game doesn’t really deliver. The simplicity isn’t the problem, it’s more to do with the look and the execution. RTP and payout are both reasonable, but this game simply isn’t terribly interesting or exciting.

Disclaimer: 777 Rainbow Respins trademark / license is owned by Crazy Tooth Studio. This site is not endorsed by Crazy Tooth Studio.

Slot Data
Slot Name: 777 Rainbow Respins
Software: Crazy Tooth Studio
RTP: 94.20%
Volatility: High volatility
Paylines: 127
Reels: 7
Min Bet (all lines covered): £0.20 (GBP)
Max Bet: £40 (GBP)
Top Win: 6601
Features: Wild Symbol, Scatter Symbol, Multiplier, Free Spins, Respins, High volatility, 7 Reels
UK Available in GB? Yes. Crazy Tooth Studio have a UKGC license and are allowed to offer their games at UK licensed casinos.


What does RTP actually mean?

RTP or Return to Player is the theoretical statistical percentage of money bet by a player which will be paid in winnings over time. The RTP is fixed and except when specified does not change.

What does variance mean?

Variance refers to the frequency and size of pay-outs. High variance games give large rewards rarely, while low variance games pay little and often.

Are the spin results genuinely random?

Random number generators are used to control the spinning of the reels. There is no human influence.

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