Mycelia
96%
RTP
50,000x
Max Win
Bonus buy options
- Extra Chance2x bet
- Spore Bloom100x bet
- MAX100x bet
- Mystery Bloom200x bet
- Deep Bloom200x bet
- Ancient Bloom800x bet
- Reels
- 5
- Rows
- 5
- Paylines (up to)
- Cluster Pays
- Min Bet
- 0.1
- Max Bet
- 1000
- Release Date
- September 11, 2026
About this Slot
Mycelia is a fantasy, nature and sci-fi themed slot by Broke by Design with a 96% RTP, medium volatility and a maximum win of 50,000x. The game plays across a 5x5 grid with Cluster Pays, where five or more matching symbols aligned horizontally or vertically form a winning cluster.
When clusters form, they explode and new symbols tumble down to fill the space. Tumbles continue until no further clusters are created. Each cell on the grid holds a multiplier level ranging from x1 to x13, with these multipliers applied to cluster payouts. Once a cell reaches x13, it remains permanently at that level.
On every paying tumble, Spore Pods burst and apply a random multiplier to that tumble's payout. Wild symbols and scatter symbols are present in the base game.
Spore Bloom is triggered by 3 Pouches and awards 10 free spins, with the grid starting at x1 multiplier levels and any growth preserved throughout the feature. Landing 3 or more Pouches during the bonus grants 2 additional spins.
Deep Bloom is triggered by 4 Pouches and awards 10 free spins, with 10 cells starting at x2 multiplier.
Ancient Bloom is triggered by 5 or more Pouches and awards 10 free spins, with all cells starting at x3 multiplier.
Six bonus buy options are available: Extra Chance at 2x bet, Spore Bloom at 100x bet, MAX at 100x bet, Mystery Bloom at 200x bet, Deep Bloom at 200x bet, and Ancient Bloom at 800x bet.
Mycelia Community RTP
Real RTP estimated from rounds contributed by the community, across all uploaders.
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Mycelia RTP Calculator
Mycelia has a theoretical RTP of 96%. Its volatility is Medium, so expect a balanced mix of dry spells and mid-size hits. Its win potential is capped at 50,000x your stake. Use the calculator below to estimate your expected return, variance range and risk of ruin over any number of spins.
Mycelia Variance Simulator
Mycelia sessions can swing far from its 96% average - its volatility is rated Medium. The simulator runs many virtual bankroll runs to estimate the bust rate, typical drawdown and best/worst outcomes over a set number of spins - compare a cautious bankroll against an aggressive one.
All Wins
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Play on Stake*Frequently asked questions about Mycelia
An RTP of 96% means Mycelia is built to pay back around 96 for every 100 wagered over millions of spins. Any single session can land far above or below that - use the RTP calculator on this page to model your own bet size and spin count.
Over the long run Mycelia's house edge is about 4% of everything you wager - roughly 4 lost per 100 staked. Short sessions vary widely; the calculator above shows the expected loss and variance range for your inputs.
Quite a lot. Because wins cluster around rare big hits, your balance can move far from the 96% average in either direction. The variance simulator above shows typical drawdowns, bust rate and best/worst outcomes for your bankroll.
It depends on your bet size and how long you want to play Mycelia. Use the variance simulator above to test a cautious versus an aggressive bankroll and see how often each survives your target number of spins.
