Greenback Attack is a money-themed slot from International Gaming Technology (IGT), available exclusively at land-based casinos. As the name suggests, cash is front and center—banknotes, dollar symbols, and gleaming gold fill the reels, reminding players exactly what they’re chasing: big wins.
This 5-reel, 30-payline mechanical slot is housed in a towering cabinet that stands out on any casino floor. It even comes with an old-school pull lever for those who prefer a bit of classic charm, though you can also press a button to spin. The game has been released in a few variants, including Thunderbolt 7’s and Safari Flowers, which differ slightly in theme but share the same core gameplay and payouts.
With a minimum bet of just 0.01 per spin, Greenback Attack is designed for casual players. Despite its simplicity, it offers exciting extras like wild substitutions, random multipliers, free spins, and a Mystery Bill bonus round where instant cash prizes await. Free spins are triggered on average once every 33 games, giving players frequent chances to win.
Although this title isn’t available online, we’ll recommend a similar internet-based game later in this review for those who prefer to play from home.
Playing Greenback Attack is as straightforward as it gets. Insert coins or bills into the machine, select your bet amount—30, 90, or 150 coins per spin—and pull the lever (or hit the spin button). It’s an ideal setup for players looking for a quick, uncomplicated experience.
Like many physical slot machines, customization options are limited. There’s no quick spin or mute function, but you can check the paytable for details on symbol payouts and bonus mechanics. The interface clearly displays how much each symbol combination pays and how features like the wilds, multipliers, and free spins operate.
The reels of Greenback Attack are filled with traditional slot symbols alongside cash-inspired designs. While the BAR icons handle the smaller, frequent wins, the game’s dollar symbols and special icons deliver the most significant rewards.
The Free Spins Feature is triggered when three or more scatter symbols appear on the reels. Players start with five free games, but these can be retriggered multiple times, often leading to long bonus streaks. According to IGT, this feature activates roughly once every 33 spins—an unusually high frequency for a land-based slot.
Another key highlight is the Mystery Bill Bonus. When a dollar symbol with a question mark lands, you’ll enter a mini bonus round displayed on a secondary screen. There, players choose from a selection of dollar bills to reveal instant cash prizes worth up to $100. It’s a quick, fun, and rewarding feature that adds variety to the core gameplay.
While IGT has not officially published the RTP or volatility of Greenback Attack, the slot plays like a medium-volatility game with a solid balance of frequent smaller wins and occasional bigger prizes. The multiplier feature helps to increase the payout potential considerably, especially when stacked with wilds during free spins.
Greenback Attack may not be the most visually striking slot in IGT’s catalog. Still, its blend of classic design, multipliers, and quick-trigger bonus rounds makes it a rewarding game for fans of mechanical slot cabinets. The frequent free spins and Mystery Bill feature ensure there’s always something to look forward to, even if the base game visuals are a bit dated.
No, Greenback Attack is available only at land-based casinos; however, similar online slots like Mr. Cashback offer comparable cash-themed gameplay.
The game was developed by IGT (International Gaming Technology), one of the world’s leading casino software providers.
It offers wild substitutions, random multipliers, a frequent free spins bonus, and a Mystery Bill round where players can win instant cash prizes.
Free spins occur approximately once every 33 spins, making it one of the most frequently triggered bonuses in any IGT land-based slot.
Play Mr. Cashback by Playtech for a similar money-themed experience with sticky wilds, free spins, and a unique cashback guarantee feature.