RTP
96.1%
Minimum bet
0.10
Slot category
Video Slots
Volatility
High
Number of reels
6
Progressive jackpot
No
Popularity
Maximum bet
20
Provider
Relax Gaming
Bonus features
Yes
Ways to Win
4,096
Theme
Bank Heist
Iron Bank 2 Online Slot Game
Relax Gaming’s follow-up to one of the most talked-about slots takes players back to crime-filled streets, where sharp-dressed cats and crafty criminals pursue the ultimate score. In its fifth collaboration with CasinoGrounds, Relax Gaming retains the original’s rebellious energy and attitude while refreshing its look and features.
High volatility and the chance to win up to 50,000x your bet raise the stakes in Iron Bank 2, with upgraded mechanics and explosive bonus rounds.
Iron Bank 2: Theme, Design and Core Mechanics
Iron Bank 2 has a 6x4 matrix and a 4,096 ways to win system. Its setting echoes the original’s exotic Cuban backdrop, complete with palm trees, vintage cars and bright sunshine. Vivid, warm graphics fill the screen. In the base game, the Iron Bank appears on the left, ready to be broken into during the bonus round.
Top Casinos for Playing Iron Bank 2:
Iron Bank 2 Symbols: Royals, Heist Tools and the Bull
The lower-value symbols in the paytable are card ranks from 10-A, paying 0.4x to 0.8x for a 6-of-a-kind (6 OAK) win. Higher-paying icons include a suitcase, harpoon, glass and cigar, an expensive piece of jewellery and a bull. A 6 OAK combination of high-paying symbols awards from 2x up to 50x the stake.
Wild symbols may appear on any reel and substitute for all paying symbols. A winning combination of 6 wilds awards 50x the stake.
*The payout table below is based on a $1.00 bet.
| Symbol | 6 of a Kind | 5 of a Kind | 4 of a Kind | 3 of a Kind |
|---|---|---|---|---|
 | 50x | 10x | 3x | 1x |
 | 50x | 10x | 3x | 1x |
 | 10x | 3x | 1x | 0.5x |
 | 4x | 2.5x | 1x | 0.4x |
 | 3x | 2x | 0.8x | 0.3x |
 | 2x | 1.5x | 0.7x | 0.3x |
 | 0.8x | 0.3x | 0.2x | 0.1x |
 | 0.7x | 0.3x | 0.2x | 0.1x |
 | 0.6x | 0.3x | 0.2x | 0.1x |
 | 0.5x | 0.3x | 0.2x | 0.1x |
 | 0.4x | 0.3x | 0.2x | 0.1x |
Iron Bank 2: Key Features, Player Choice and Multiplicative Derangement
Some of the game’s complexity comes from the choices it gives players, who can decide which features to activate.
Base Game Feature Choice
For Iron Bank 2, Casino Ideal shares Evan Carrington’s explanation that players select which of the two base-game features can trigger. The Random Mystery Feature places up to 13 Mystery symbols on the reels. The Random Wilds Feature instead adds up to 4 Wild Multipliers (ranging from x2 to x10) to reels 2-5, with each covering an entire reel. If multiple multiplier wilds contribute to a win, their values multiply together.
Free Spins Choices: Standard, Super and Ultra
Landing 3 or more scatters starts the main bonus round. Players then choose among three modes—Standard, Super and Ultra—with the version determined by the number of scatters landed:
| Scatters Landed | Bonus Tier Awarded | Initial Free Spins (Mode Dependent) | Payout Bonus |
|---|---|---|---|
| 3 Scatters | Standard Free Spins | Varies (7, 6, or 6) | None |
| 4 Scatters | Super Free Spins | Varies (7, 6, or 6) | None |
| 5 Scatters | Ultra Free Spins | Varies (7, 6, or 6) | None |
| 6 Scatters | Ultra Free Spins | Varies (7, 6, or 6) | +2,000x the bet |
Between 1 to 3 scatters may also be added at random before the reels stop, increasing the chance of triggering free spins. Lucky Boost can also activate randomly at the start of any free spins mode, raising the chance of a large win.
The Three Bonus Round Modes
Multiplier Collect
In Standard mode, coconut crates may land on reels 2–5. Collecting three coconuts on one reel awards an extra free spin and adds +1 to that reel’s wild multiplier. When multiple wilds contribute to a win, their multipliers combine multiplicatively, creating the potential for larger payouts. Super mode guarantees a walking wild on the first spin; it moves across reels 2–4 with its own multiplier. Ultra mode goes further, awarding two walking expanded wilds on the first spin.
Mystery Symbol
In Standard mode, a symbol is randomly selected to become the sticky mystery symbol. When it lands on reels 2–6, it locks in place and turns into a persistent mystery symbol; all mystery symbols reveal the same matching icon. Collecting more mystery symbols awards extra free spins. Super mode adds one extra row, while Ultra mode expands the grid by two rows for greater win potential.
Expanding Wilds
In Standard mode, wilds landing on reels 3 and 4 expand to fill the reel and trigger a respin. Each win involving these expanding wilds increases their multiplier by +1, which does not reset between spins. Super mode draws wilds landing on reels 2 and 5 onto reel 3 or 4, starting at 3x. Ultra mode draws all wilds onto reels 3 and 4, starting with a 6x multiplier and the potential for much larger wins.
Boost Your Win Potential with Feature Buys and Upgrade Spins
Iron Bank 2 combines high volatility with several layers of features. Casino Ideal’s review describes higher-tier access as important to pursuing the game’s 50,000x potential. It reports that base-game and feature-buy choices improved the prospects of proportional or very large wins, but these observations are not a guarantee of results.
- Autoplay: Trials of Iron Bank 2 reportedly found small, infrequent wins when sticking to the base game. The review says switching to Autoplay increased the likelihood of wins proportional to the base by approximately 50%. It also reports that this approach seemed more lucrative when the game was set to the max base bet of 20. These accounts are not a promise of profit.
- Upgrade Spins - Bonus Reels: Of the available feature buys, this option is described as the most consistently lucrative in the reported trials. It activates Bonus Reels at 10x per spin, allowing only scatters to land and substantially increasing the chance of entering the bonus. The review calls it the game’s costliest feature and says it offered the greatest chance of very large wins, reporting wins of up to 410x the base bet. Its high cost makes it an option for players comfortable with considerable risk, not a guaranteed outcome.
Alternative Slots to Iron Bank 2
- Money Train 4: Players seeking a higher stated win ceiling than Iron Bank 2 can try Money Train 4, another release from Relax Gaming. The final Money Train instalment has a 6x6 grid, scatter pays and an advertised maximum win of up to 150,000x the stake. Its setting shifts to a harsh dystopian future, with new characters and extra bonus layers for players who enjoy Iron Bank 2’s multi-part gameplay. With a base RTP of approximately 96.1% and very high volatility, it may suit players prepared for pronounced bankroll swings.
- Tombstone Slaughter El Gordo’s Revenge Slot: This Nolimit City title offers a darker, more intense alternative. Its setting is a blood-soaked Wild West town controlled by outlaws, with grim visuals and xSplit, xNudge and xBet mechanics. The stated win potential is up to 500,000x the stake. Extreme volatility, persistent bonus action and a chaotic presentation target thrill-seekers drawn to substantial risk and the possibility of a very large payout, much like Iron Bank 2’s heist theme.
Our Final Verdict
Iron Bank 2 builds on its predecessor’s spirit and core gameplay, adding much more structure and choice. Players pick a base-game feature, then choose from three bonus modes with tiered Super and Ultra versions. The result is a layered mix of mystery symbols, wilds and multiplying mechanics, which grow more elaborate at higher free-spin tiers. Stylish visuals and a stated 50,000x win potential make Iron Bank 2 an intriguing choice for thrill-seekers, although its high volatility means every spin’s outcome remains uncertain.
Evan Carrington brings more than 12 years of experience in the iGaming industry, with a focus on reviewing online casinos, assessing slot games and examining player safety. Their work covers casino licensing, RTP, volatility, bonus terms and withdrawal policies. Drawing on practical testing and independent research, Evan provides clear, evidence-based reviews to help players understand gambling platforms, their features and possible risks.
