RTP
96.32%
Minimum bet
0.10
Slot Type
Video Slots
Volatility
Medium
Reels
5
Progressive jackpot
No
Popularity
Maximum bet
100
Provider
Hacksaw Gaming
Bonus features
Yes
Paylines
14
Theme
Adventure
Steamrunners online slot game
Steamrunners takes players into a complex, high-altitude world where Victorian style meets mechanical fantasy. Hacksaw Gaming describes the “fierce, fearless” Steamrunners as traveling “through skybound cities to glimmering sky courts and beyond” aboard “gas-powered gadgets and rogue airships.”
The action may feel demanding because significant results depend on uncommon multiplier combinations, while the polished steampunk presentation leaves plenty to the imagination. The slot plays out across a metallic grid of pipes, lights and cogs.
Steamrunners Theme, Design, and Core Mechanics Explained

Steamrunners uses a 5x4 grid with 14 paylines. Wins are evaluated from the leftmost reel and pay from left to right. Its symbols combine familiar low-value 10-A card royals with premium images such as a telescope, scroll, hat, gramophone and glasses. Five-of-a-kind royal combinations pay 1x the stake, while a full high-paying combination awards between 2.5x and 5x the stake. Wilds substitute for every regular symbol and pay 10x when five form their own winning combination.
*The payout table below uses a $1.00 bet.
| Symbol | 5 Matches | 4 Matches | 3 Matches |
|---|---|---|---|
![]() | 10x | - | - |
![]() | 5x | 2.5x | 1x |
![]() | 4x | 2x | 0.8x |
![]() | 4x | 2x | 0.8x |
![]() | 2.5x | 1.2x | 0.5x |
![]() | 2.5x | 1.2x | 0.5x |
![]() | 1x | 0.5x | 0.2x |
![]() | 1x | 0.5x | 0.2x |
![]() | 1x | 0.5x | 0.2x |
![]() | 1x | 0.5x | 0.2x |
![]() | 1x | 0.5x | 0.2x |
The original review especially praised the slot’s steampunk style and detailed artwork. Its presentation may bring to mind a blend of the animated films Atlantis and Treasure Planet, with a city suspended among the clouds. An adventure-themed soundtrack adds to the airborne atmosphere.
Top Casinos to Play Steamrunners:
Key Features of Steamrunners: The Wild Gas Canister Modifiers
Spreading Gas Canister symbols drive the excitement and offer a path to the 10,000x potential. Only one Gas Canister can land on a base-game spin. The feature reflects Hacksaw Gaming’s interest in spreading mechanics, but its spread can move in multiple directions:
- Green Gas Canister: When it lands, it expands horizontally and vertically. The canister and nearby low-paying symbols become wilds when they contribute to a winning combination. The spread continues if newly created wilds or low-paying symbols connect with symbols that have already changed.
- Purple Gas Canister: This more powerful version turns itself and every low-paying symbol across the grid into wilds, but only when those symbols help form a win.
- Multiplier Power: Wilds created by the canisters may randomly receive multipliers ranging from x2 to x200. A canister that hits an existing wild also gives it a x2 multiplier. If several multipliers apply to one win, they are combined before the payout is calculated.

The Skybound Bonus Rounds
In Steamrunners, the main feature comes in three distinct Free Spins bonus rounds:
Sky City Bonus Game Landing 3 FS scatters activates the feature and awards 8 free spins to start. Sky City can add wilds with multipliers that become sticky and remain in place for the bonus. Whenever a spreading Gas Canister affects one, its multiplier doubles, up to x5,000.

Gaslight District Bonus Game This mode begins when 4 FS scatters land and awards 10 free spins. It keeps Sky City’s sticky-wild mechanics and guarantees that at least one wild stays on the grid throughout the bonus.

Court of High Steam Hidden Epic Bonus Game The rarest mode, with the greatest potential rewards, unlocks when 5 scatters land in the base game and awards 10 free spins. This “Hidden Epic” feature sustains the excitement by guaranteeing a Gas Canister on every free spin.
Note: In all three bonus rounds, landing 2 or 3 scatters awards an extra +2 or +4 free spins, respectively.

Approaches to Winning in the Steamrunners Slot

Make the Most of Gas Canister Spreads
- Look out for Gas Canister symbols
Gas Canisters are the centerpiece of Steamrunners. They spread through low-paying symbols or wilds, turning them into wilds that may carry multipliers. The review identifies landing these canisters as key to pursuing bigger results. - Look for chances to build multipliers
Wilds created by a Gas Canister can carry multipliers from x2 to x200.
In free spins, another canister doubles those multipliers, up to a ceiling such as x5,000. One approach may be to leave moderate wilds on the grid so later canisters can increase their values.
Choose the Free Spins / Bonus Mode That Suits You
- Sky City vs Gaslight District vs Court of High Steam
In the free-play comparison, Gaslight District was judged the stronger of the two feature-buy options. Its 200x price was described as steep, but the wins reported were proportionally higher. Sky City, on the other hand, was said to deliver mostly smaller wins relative to its cost.
The review also notes that, despite its biggest-win potential, Court of High Steam is more likely to be reached through the feature buy that guarantees more Free Spins: Gaslight District.
Steamrunners Slot Alternatives
- Pirots 4: If you enjoy Steamrunners’ cartoon-inspired look but want a different experience, consider the latest Pirots release, Pirots 4 by ELK Studios. Its 10,000x win potential is lower, but cascading reels and a Feature Buy offer other ways to keep the action going.
- Deck of Scurra: Another Victorian-inspired option is Deck of Scurra by Print Studios. This high-volatility slot has a 20,000x maximum win potential and a 96.09% RTP, offering a different theme and set of features.
Our Take and Final Verdict
Evan Carrington’s Al Buraq Regina review presents Steamrunners as a successful return to brass-laden steampunk. Hacksaw Gaming builds a mechanical world around “fierce, fearless” characters travelling through a high-flying fantasy filled with gadgets. The polished audio and visuals draw players into a cloud-bound setting of pipes and cogs.
With Steamrunners, Hacksaw Gaming has made an engaging slot centered on spreading mechanics. Its system stands out for expanding in multiple directions, while transformed wilds can reveal multipliers up to x200. Sticky wild multipliers in the two lower-tier bonus rounds can also double as high as x5,000, giving those features significant upside.
The main trade-off is that the biggest results rely heavily on multiplier combinations that may be uncommon. This can make the game feel demanding. While a 10,000x maximum win is theoretically possible, the review sees this slot as a better fit for thrill-seekers comfortable with high risk and high reward than for anyone seeking reliable profit.
Evan Carrington brings more than 12 years of experience in the iGaming industry, specializing in online casino reviews, slot game analysis, and player safety assessments. Their expertise includes casino licensing, RTP, volatility, bonus terms, and withdrawal policies. Combining hands-on reviews with independent research, Evan provides clear, evidence-based coverage to help players understand gambling platforms, their features, and possible risks.















