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Grinning Harvest

Review, Demo Play, Payout, Free Spins & Bonuses

Grinning Harvest is an online video slot game developed by Trusty Gaming. This eerie Halloween-inspired slot has five paylines, a 15,000x max win, high volatility, and ...an RTP of 96.26%. Features include hold & win, win multipliers, and fixed jackpot prizes. 
 

Grinning Harvest is an online video slot game developed by Trusty Gaming. This eerie Halloween-inspired slot has five paylines, a 15,000x max win, high volatility, and an RTP of 96.26%. Features include hold & win, win multipliers, and fixed jackpot prizes. 
 
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Pros
  • 15,000x top total win
  • Hold & win bonus
  • Collect symbol
  • Win multipliers
Cons
  • High volatility is not for everyone
  • Doesn't stand out amongst Halloween slots

Grinning Harvest Slot Overview

If you are always on the lookout for creepy, eerie, or strange slots, Grinning Harvest from Trusty Gaming could be one to check out. This high variance game has a 15,000x top win and features including win multipliers, jackpots, and a hold & win bonus. Let's find out more.

Eeriness awaits

Set in an eerie landscape with cobweb-covered trees and pumpkins scattered across the ground, Grinning Harvest has an uncanny quality that may just lure you in.

Graphics

Simple yet effective, you can expect to see a plethora of typical Halloween motifs here, including pumpkins, cobwebs, gravestones, mysterious books, and potions. The reels are designed to resemble a gravestone and are adorned with skull carvings and a menacing-looking carved pumpkin.

Animations

Many of the game's elements are animated, including tree branches swaying in the breeze, fog billowing along the bottom of the screen, and a group of bats flying across the sky behind the reels.

Sound effects

There is a suitably strange soundtrack to accompany the game's graphics, which helps to ensure a well-rounded playing experience.

Grinning Harvest RTP, volatility & payout potential

This is a high volatility game from Play'n GO with an RTP of 96.26%. The Grinning Harvest top win is 15,000x the active bet.

How to play the Grinning Harvest slot

  1. Open the main menu by tapping the three-line icon.

  2. Look at the paytable, game rules, and learn about the bonus features.

  3. Use the up and down arrows to choose your bet.

  4. Tap the large arrow button to spin the reels.

  5. Ensure you are spending within your limits and stop when the fun is over.

  6. Responsible online slots casinos offer customisable self-exclusion and timeout tools. Make use of these as required to continue enjoying online slots mindfully.

How to win at the Grinning Harvest slot

Grinning Harvest from Trusty Gaming is played on a three-reel, three-row grid layout with five paylines. Wins are unlocked and added to your playing balance by landing three matching winning symbols on a valid payline.

Top winning symbols

The usual playing card symbols form the lower-paying part of the paytable, with three-of-a-kind combinations paying out a 0.5x win. The higher value symbols include:

  • Witch hat

  • Goblet

  • Pink potion

  • Book

Each symbol has a different value, with three-of-a-kind combinations of the game's higher paying symbols unlocking wins worth between 1x and 6x your wager.

Bet limits

The lowest per-spin bet that can be wagered is 10p.

Wild

Many online slots contain a wild symbol, with Grinning Harvest no exception. The wild can only land during the base game and can replace all standard paytable symbols. It cannot replace any special symbols.

Grinning Harvest bonus features

Pumpkin symbols

The game's pumpkin symbols behave similarly to the coin symbols often seen in other online slots. Pumpkins can land on the reels with win multiplier values worth between 2x and 10x. They can also land with one of the game's jackpot prizes, which are:

  • Mini = 25x

  • Minor = 50x

  • Mega = 100x

  • Grand = 1,000x

These win multipliers and jackpot prizes can only be won with the help of a collector symbol.

Collector symbols

To unlock one of the game's multipliers or jackpot prizes, you need to land a collector vault symbol on the second reel.

Hold & win bonus

Successfully landing pumpkins on reels one and three and a collector vault on reel two will unlock the hold & win bonus. During this feature, only collectors and pumpkins will land on the reels, with all collector symbols remaining sticky for the duration of the bonus.

You will initially be awarded three respins, with the counter resetting every time a new collector symbol lands on the reels.

You will also notice an extra row appears on top of the main reel grid, which will also spin. Win multiplier skulls can land on this reel, which could help you increase your wins.

Max-win 15,000x
Volatility Medium
Top RTP 96.26%

Grinning Harvest overview

Simple yet effective

While it would have been good to have a scatter symbol-launched free spins round, Grinning Harvest is a straightforward hold & win-based game that has a couple of extra features thrown in for good measure.

Everything here has been well executed

Everything here has been well executed by the Trusty Gaming developers, and there is definitely an uncanny atmosphere that works well to enhance the overall experience.

Solid win potential

The 15,000x top win is unusually high for a 3x3 game, but don't forget that this is a high volatility slot.

Slot Data
Slot Name: Grinning Harvest
Software: Backseat Gaming
RTP: 96.26%
Volatility: Medium volatility
Paylines: 5
Reels: 3
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £50 (GBP)
Top Win: 15000
Features: Medium volatility, Hold and Spin, Instant Win
Themes:
Last Update: 29/06/2026
UK Available in UK? No. :maker does not have a UKGC license and cannot offer their games at UK licensed casinos.

FAQs

Is the Grinning Harvest slot game from Trusty Gaming a high volatility slot?

Yes, Grinning Harvest fits neatly into the high volatility category of online slots, which is something to keep in mind when deciding whether this is a game suited to your gameplay style. The 96.26% RTP is good, as is the 15,000x top win that could be unlocked by the luckiest players, but there are many other Trusty Gaming slots to explore with different themes and feature selections.

Is there a free spins bonus round that can be unlocked when playing Trusty Gaming's Grinning Harvest slot?

There isn't a scatter symbol or free spins bonus round here, which may come as a disappointment to some online slots players. Instead, there is a hold & win feature, which is the main bonus within the game. This feature initially awards three respins; in addition, there is the potential to unlock additional spins.

What other features can be unlocked when playing the Grinning Harvest slot base game from Trusty Gaming?

The game has a wild symbol that can land during the main game, which can substitute for all standard paytable symbols and may help to make winning combinations. There is also the chance to land pumpkin symbols with win multipliers and jackpot prizes, but you will also need to land a collector symbol to unlock these wins.

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