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Frog Grog
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| 1 | Reels | 5 |
| 2. | Paylines | 23 |
| 3. | Progressive | No |
| 4. | Maximum coins | 23 |
| 5. | Jackpot | 1000 |
| 6. | Maximum jackpot in coins | 100 |
| 7. | Multiplier | No |
| 8. | Scatter symbol | No |
| 9. | Free Spins | Yes |
| 10. | Betting range | from $0.1 up to $100 |
| 11. | Coin Bet Range | from $0.01 up to $10 |
| 12. | Coins per line | 1 |
| 13. | Bonus Game | Yes |
| 14. | Wild symbol | Yes |
| 15. | Payout percent | 96.1 |
We've seen a lot of magic-based slots over the years, but we can't remember ever seeing anything quite like Thunderkick's title Frog Grog. The basic premise of the game is that you're in some sort of witch's or wizard's potion-making room, and you're seeing different potion symbols on the game grid. Frogs and other potential potion ingredients make appearances as well, making this a particularly interesting game with good graphics and a low overall volatility.
Format and Betting
The format has 23 paylines across five reels and three rows, which is definitely a bit atypical. However, betting is handled in concrete increments ranging from $0.10 to $100 per spin. Your wins are all based on multiples of your spins, and a lot of the gameplay is based around your ability to hit several wins per spin, so a lot of the payouts on the lower end are smaller than your original bet size. For all of the payouts that we are going to list here, they're based on a multiple of your bet, so a 0.50x win on a $5 bet would be worth $2.50.
Rolling Symbols Feature
A feature that drives a tremendous amount of the gameplay is the Rolling Symbols feature. The basic idea is that all of the symbols from your winning combinations, other than the wild symbols initially, will disappear after your win, allowing new symbols to fall into place for re-spins. However, this re-spin will be subject to an increasing multiplier since you can get multiple re-spins in a row. On your first re-spin, it's a 2x multiplier. Your second is 3x, your third is 5x, and the fourth is 7x. All of the re-spins after that will also be 7x, so you can imagine that you'd run up a ton of wins in a short period of time if you got this high into the re-spin multipliers.
The Frog Wild Symbols
A key game mechanic that players really need to pay attention to in this game is that of the wild frog. It starts out orange when it first appears on the reels. After the initial wins for that spin are calculated, it turns blue after breathing fire out on the reels. It will remove every other non-wild symbol on the same column and row as it, so every symbol vertically and horizontally from it disappears. This makes it easier to pick up new wins on the re-spin feature, which is a big deal. After it turns blue, it can be removed as a part of winning combinations in the Rolling Symbols feature.
Mystery Bonus Feature
There's an additional bonus feature in this game that works based on a similar premise. Whenever you're at the end of a spin, and there are no more re-spins available, you have a random chance to trigger the Mystery Bonus Feature. The way this works is that some of the non-moth, non-flower and non-frog symbols will be removed from the reels, and you will be paid out according to the pay table for up to five symbols. The idea her is to essentially give you a line bet win that you wouldn't have otherwise received, even though the symbols didn't line up.
Important Payouts
There are six main symbols in the game besides the frogs, which do not have their own payouts. Five of the moth pays 10x, and five of the flower will give you a win worth 6x. You can get 3.5x for five of the red potion or 3x for five of the purple potion. The green potion is good for 2.5x, and a 2x win is yours for lining up five of the blue potion symbol. Keep in mind that these wins are multiples of your total bet size.
Our Thoughts
We think that Frog Grog by Thunderkick is a great game that uses a lot that we haven't really seen done before. The changing wild symbls in the Rolling Symbols feature is a big driver of the overall gameplay, and it provides something a bit different than what you see in other games with a similar avalanche feature. Likewise, the theme and graphics themselves are top-notch, and we like how the limited number of symbols combined with the main features gives this game a low volatility with a particularly high hit-rate. That is the type of gameplay that we see players wanting to come back to over and over again because it's relaxing and exciting at the same time.
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