Astral Foundry

Astral Foundry

96%

RTP

25000x

Max Win

Volatility:High
Features:Cascading
Theme:FantasySpaceSteampunk

Bonus buy options

  • ACTIVATE BONUS – 10 Free Spins200x bet
Reels
5
Rows
5
Paylines (up to)
Cluster Pays
Min Bet
0.1
Max Bet
1000
Release Date
August 12, 2026
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About this Slot

Astral Foundry is a fantasy space and steampunk themed slot from Galaxy Gaming with an RTP of 96%, high volatility and a maximum win of 25,000x. The game uses a 5×5 grid with Cluster Pays mechanics, where five or more matching symbols anywhere on the grid trigger a win and then cascade away to make room for new symbols. Cascading wins form the core mechanic of Astral Foundry. When symbols collapse and new ones fall into their place, each consecutive win in the same tumble sequence adds to your round total. This chain of cascades continues until no more winning combinations form on the grid. The Starforge Dynamo system drives the game's multiplier potential. Visible multipliers accumulate across cluster tumbles to enhance each win. Bonus Dynamos begin at +2, Super Bonus Dynamos start at +10, and Hidden Epic Dynamos start at +25 with the ability to reach +1000. Mystery Super triggers when the special Supernova Scatter is part of the winning combination. This feature upgrades your bonus entry into the stronger Super Bonus before Free Spins even begin, giving you a higher starting position in the bonus round. Land 3, 4, 5, or 6 Scatters to win 10, 11, 12, or 14 Free Spins respectively. During the Free Spins feature, additional Scatters add +5, +8, +10, or +12 extra spins depending on the count. When the trigger contains a Supernova Scatter, the bonus converts to the Super Bonus. The Super Bonus is the enhanced free spins path, triggered either by landing a Supernova Scatter or through a Mystery Super reveal. Every Starforge Dynamo begins at +10 in this mode, boosting your tumble multipliers from the first spin of the feature. Mystery Wormhole is a paid single spin option with extreme volatility. It may return nothing, a standard cluster result, or Dynamo-enhanced tumbles with low or high multipliers, but it cannot trigger, award, or retrigger Free Spins. Orbital Boost costs 3x bet and increases scatter frequency while keeping the standard cluster tumble format intact. Super Bonus Buy lets you purchase direct access to the Super Bonus round. Mystery Bonus Buy lets you purchase a random bonus outcome. ACTIVATE BONUS - 10 Free Spins costs 200x bet.

Astral Foundry RTP Calculator

Astral Foundry has a theoretical RTP of 96%. Its volatility is High, so expect long dry spells punctuated by rare, large multipliers. Its win potential is capped at 25000x your stake. Use the calculator below to estimate your expected return, variance range and risk of ruin over any number of spins.

Astral Foundry Variance Simulator

Astral Foundry sessions can swing far from its 96% average - its volatility is rated High. 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.

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Frequently asked questions about Astral Foundry