IGT – Casino Top Rank

Cash Eruption by IGT is a fiery 5-reel, 20-payline online slot that blends classic fruit-machine symbols with an ancient Aztec volcano theme. Players chase expanding Fire Goddess wilds, Free Spins featuring giant 3x3 symbols, and the Cash Eruption hold-and-respin bonus, where filling the grid awards a $10,000 Grand Treasure jackpot.

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1. General Gameplay & Wagering Rules

Reel Configuration: The game is played on a 5-reel, 3-row grid with 20 fixed paylines. All 20 paylines are active on every spin. Betting Structure: Players select their total wager by adjusting the Coin Value. Standard betting limits typically range from 0.20 to 40.00 (or up to 100.00 at select operators) in the player's local currency. Line Win Evaluation: All standard line win symbols must appear on a played payline and on consecutive reels, beginning with the far-left reel (Reel 1). Payout Calculation: Line wins are multiplied by the active coin value on the winning line. Only the highest winning combination is paid per individual payline, though coinciding wins across different paylines are added together.

2. Special Symbols & Base Game Features

Expanding Wild Symbol (Fire Goddess): Appears on reels 2, 3, 4, and 5 in both the base game and Free Spins. When a Wild lands and can form a winning combination, it expands vertically to cover all three positions on that reel. It substitutes for all regular paying symbols except the Volcano Scatter and Fireball symbols. Pattern Feature: If three Red 7 symbols land on Reel 1 while reels 2, 3, 4, and 5 are completely covered by Expanded Wilds, a special Pattern Feature payout is awarded in place of standard line wins. Scatter Symbol (Volcano): Appears on reels 2, 3, and 4 in the base game. Scatter wins are multiplied by the total bet and are paid independently in addition to any line wins.

3. Free Spins Bonus Terms

Trigger Condition: Landing 3 or more Volcano Scatter symbols anywhere on the reels awards 6 Free Spins. Linked Reels Mechanic: During the Free Spins Bonus, reels 2, 3, and 4 merge into a single jumbo reel displaying oversized 3x3 symbols. Retriggers & Limits: Landing a 3x3 Volcano Scatter on the linked reels awards an additional 3 Free Spins. The Free Spins Bonus can be retriggered up to a maximum of 15 total Free Spins per bonus round. Bet Lock: Free Spins are played automatically at the same coin value and total bet that triggered the feature.

4. Cash Eruption Bonus (Hold & Respin) Terms

Trigger Condition: Landing 6 or more Fireball symbols anywhere on the grid in the base game or Free Spins triggers the Cash Eruption Bonus. Respin Rules: The feature is played on a special set of independent reels with no paylines. Triggering Fireballs lock in place, and the player is awarded 3 respins. Each new Fireball that lands locks into position and resets the respin counter back to 3. Bonus Termination: The round ends when either 0 respins remain or all 15 reel positions are filled with Fireballs. This bonus cannot be retriggered during the feature. Prize & Jackpot Rules: Each locked Fireball displays either a cash/credit value or a Mini, Minor, or Major jackpot label. Mini, Minor, and Major jackpots are fixed multipliers that scale proportionally with the player's total bet. Grand Treasure: Filling all 15 positions awards the fixed Grand Treasure (typically 10,000.00 in base currency units). Unlike the lower jackpots, the Grand Treasure is a flat top prize that remains the same size across all bet levels, though the mathematical probability of triggering it scales with the wager size. All locked Fireball values and eligible jackpots are cumulative and awarded together at the end of the feature.

5. Return to Player (RTP) & Payout Caps

Theoretical RTP: The standard maximum theoretical Return to Player (RTP) is 96.00%. Depending on jurisdiction and casino operator settings, lower RTP configurations (such as 95.00% or 93.10%) may be deployed. Jurisdictional Win Caps: In certain regulated jurisdictions, regardless of bet size, a maximum award cap may apply to any single game transaction. A "transaction" encompasses the triggering spin plus all resulting bonus rounds. If the cap is reached mid-bonus, the feature ends immediately and any remaining spins are forfeited.

6. Technical & Legal Provisions

Malfunction Clause: Malfunction voids all pays and plays. In the event of a hardware, software, or network error, affected wagers are voided and stakes are refunded. Incomplete Games: Any game round left interrupted or in progress is saved on the server. If a game remains uncompleted for more than 30 days (or per local operator policy), the round is automatically cancelled and the original bet is refunded. Eligibility: Players must meet the legal gambling age in their jurisdiction (18+ or 21+) and play through a licensed operator.