Atomic Mushrooms Slot

Set out on a whimsical journey with “Atomic Mushrooms Slot Machine” by ThunderSpin. This uniquely themed game features mutated fungi, post-apocalyptic flora, and a quirky aesthetic, set against a backdrop of dancing mushrooms and surreal landscapes. With 5 reels, 10 paylines, and a high RTP, players can enjoy wild substitutions, free spins, multipliers, and an Explosive Mushroom bonus round for extra rewards. Encounter colorful mushroom characters for varying payouts, trigger up to 25 free spins with doubled winnings, and collect Atomic symbols for additional multipliers up to 5x. Available for real money play on mobile and desktop devices, this game offers a comical and entertaining experience for those with a taste for the unusual.

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Atomic Mushrooms Slot Machine

We’re not certain if the concept of mutated fungi has ever been explored in an online slot machine before, or for that matter, in anything else, but Atomic Mushrooms is a distinct game that’s filled with amusement and features some equally unique bonus rounds.

The developers at ThunderSpin must have had a blast devising this bizarre and fantastic online casino slot game, which is inhabited by post-apocalyptic fungi, alongside slime-covered playing card symbols, all spinning across 5 reels intersected by 10 paylines. In addition to wild substitutions, players can delight in free spins, multipliers, and an Explosive Mushroom mini-game that leads to even more rewards.

The theme may be extremely unusual, yet it is all presented in a cartoonish style, complete with dancing mushrooms flanking the reels and a peculiar purple backdrop teeming with butterflies and a star suspended with string. It’s all quite peculiar, but undeniably enjoyable and boasts a high return to player percentage, while independent testing companies can verify its fairness at all times.

Encountering the Magic Mushrooms

At least 3 identical symbols must appear across a payline, on adjacent reels from the left side in order to win a prize, and as all paylines are active, the minimum bet is fixed at 0.10 per spin, although players can test it out for free through the Atomic Mushrooms video slots games offered by casinos. The upper betting limit of 100.00 should suffice for all but the most daring high rollers, and payouts are multiples of the coin value wagered per line.

Radioactive J, Q, K, and A symbols, each emitting a different color glow, constitute the lower-value winning combinations, while higher payouts are awarded when different mushrooms emerge. Each of these comical characters is also color-coded, with the yellow mushroom yielding 20x, 30x, or 100x the line bet when landing on 3, 4, or 5 reels, the green mushroom worth up to 200x, the blue mushroom paying 400x for a full payline, and the highest wins coming from the red mushroom, worth 100x, 400x, and 1,000x.

A manic-looking white mushroom with a red cap serves as the wild symbol, capable of substituting for other symbols to complete winning lines. While the wild symbol itself doesn’t offer any payouts, it cannot substitute for bonus symbols. If 3 or more wild symbols appear simultaneously, a free spins bonus round is triggered, featuring special gameplay elements.

Unique Free Spins Games

Triggering 15 free spins requires any 3 wild symbols, while landing 4 wilds at once will activate 20 additional games, with the best scenario being 5 or more wilds appearing, granting an extra 25 spins without wagering any funds.

All winnings are doubled during this round, and beyond that, a special Atomic symbol may appear randomly. This peculiar blue character awards 2 extra spins each time it shows up, and for every set of 4 Atomic symbols collected, an additional win multiplier is applied to the remaining free spins.

The maximum multiplier is 5x, and players can monitor the current multiplier via a bomb graphic that assembles as the multipliers accumulate. Once fully assembled, an extra payout of 30x the initial wager is awarded.

Explosive Mushroom Bonus Game

An unsettling two-headed orange mushroom, appearing only on the central reel in the base game, triggers a unique bonus round when it lands. In this Explosive Mushroom feature, players pick mushrooms to reveal bonus coin prizes, until encountering an atomic explosion that concludes the round in a fiery display.

Is There Mushroom to Improve This Game?

This is undoubtedly one of the most peculiar online casino slot machines we’ve encountered, featuring a darkly humorous theme and an array of bizarre characters. However, it’s executed with a great sense of humor that’s characteristic of the ThunderSpin slot machine range.

Right from the game’s loading screen, it’s evident that it will be an entertaining experience, as seen by a group of slugs, all sporting tall hats, observing a small mushroom cloud rising. It may not make much sense, but that’s part of the charm in this game designed for players with a specific sense of humor.

The bonus features are particularly appealing, with up to 25 free games where winnings are doubled or potentially boosted by up to 5 times. Additionally, it’s a real money slot, making it accessible on compatible Android or Apple mobile devices and desktop PCs or laptops.

Jesse Miller
Jesse Miller iGaming Writer
Last Updated: April 21, 2025
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