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 carries players into a complicated, high-altitude setting where Victorian-era style meets mechanical fantasy. Hacksaw Gaming presents the "fierce, fearless" Steamrunners, who travel "through skybound cities to glimmering sky courts and beyond" aboard "gas-powered gadgets and rogue airships".
The action can feel demanding because significant results rely on uncommon multiplier combinations, although the polished steampunk presentation leaves plenty to the imagination. The slot unfolds 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 assessed from the leftmost reel and pay from left to right. Its symbols pair familiar low pays, from 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 complete high-paying combination awards between 2.5x and 5x the stake. Wilds replace every regular symbol and pay 10x when five of them create their own winning combination.
*The payout table below is based on 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 particularly appreciated the slot’s steampunk character and intricate artwork. The presentation may recall a blend of the animated films Atlantis and Treasure Planet, with a city floating among the clouds. An adventure-led soundtrack reinforces that airborne setting.
Top Casinos to Play Steamrunners:
Key Features of Steamrunners: The Wild Gas Canister Modifiers
Spreading Gas Canister symbols provide the main source of excitement and the route towards the 10,000x potential. Only one Gas Canister may land on a single base-game spin. The feature reflects Hacksaw Gaming’s interest in spreading mechanics, but here the spread is not limited to one direction:
- Green Gas Canister: On landing, this canister expands horizontally and vertically. It changes itself and nearby low-paying symbols into wilds when they form part of a winning combination. The expansion continues when newly created wilds or low pays connect with symbols already changed.
- Purple Gas Canister: This stronger version changes itself and every low-paying symbol on the full grid into wilds, with the conversion applying only where those symbols help produce a win.
- Multiplier Power: Converted wilds can randomly receive a multiplier from x2 through to x200. Any existing wild struck by a canister also receives a x2 multiplier. When multiple multipliers affect one win, their values are combined before the result is calculated.
The Skybound Bonus Rounds
In Steamrunners, the main feature paths run through three distinct Free Spins bonus rounds:
Sky City Bonus Game Collecting 3 FS scatters activates this feature and awards an initial 8 free spins. Sky City can add multiplier-bearing wilds that become sticky, staying in place for the bonus duration. Each time a spreading Gas Canister affects one, the sticky wild’s multiplier doubles, up to a maximum of x5,000.
Gaslight District Bonus Game Landing 4 FS scatters triggers this mode and awards 10 free spins. It retains Sky City’s sticky-wild mechanics while adding a guaranteed element: at least one wild remains on the grid throughout the bonus.
Court of High Steam Hidden Epic Bonus Game The rarest and potentially most rewarding mode unlocks when 5 scatters land in the base game, awarding 10 free spins. This "Hidden Epic" feature creates sustained tension by guaranteeing that one Gas Canister lands on every free spin.
Note: Across all three bonus rounds, landing 2 or 3 scatters awards an additional +2 or +4 free spins, respectively.
How to Approach Wins in the Steamrunners Slot
Target and Use Gas Canister Spreads
- Prioritise Gas Canister symbols
Gas Canisters are the central Steamrunners feature: they spread through low-paying symbols or wilds, converting them into potentially multiplier-bearing wilds. The review identifies landing these canisters as central to pursuing larger results. - Look for opportunities to stack multipliers
Wilds created by a gas canister can carry multipliers from x2 to x200.
During free spins, another canister doubles those multipliers, up to a ceiling such as x5,000. One possible approach is to let moderate wilds remain on the grid so later canisters have an opportunity to increase their values.
Select the Most Suitable Free Spin / Bonus Mode
- Sky City vs Gaslight District vs Court of High Steam
In the free-play comparison, Gaslight District was considered a stronger option than Sky City among the two feature-buy choices. Its 200x price was described as high, but the reported wins were proportionally higher. By contrast, Sky City was reported to produce mostly smaller wins relative to its cost.
The review also points out that Court of High Steam, despite offering the largest possible wins, is more likely to be reached through the feature buy that guarantees more Free Spins: Gaslight District.
Steamrunners Slot Alternatives
- Pirots 4: Players who like the cartoon-inspired look of Steamrunners but want a change of pace could consider the latest Pirots release, Pirots 4 by ELK Studios. Its 10,000x win potential is lower, but the cascade system and Feature Buy add further ways to keep the action moving.
- Deck of Scurra: For another Victorian-style slot, Deck of Scurra by Print Studios is an alternative. This high-volatility game has a maximum win potential of 20,000x and an RTP of 96.09%, which may appeal to players seeking a different theme and feature profile.
Our Opinion and Final Verdict
In Evan Carrington’s GCCans review, Steamrunners is presented as an effective revival of the brass-heavy steampunk style. Hacksaw Gaming builds a mechanical world around "fierce, fearless" characters travelling through a high-flying fantasy packed with gadgets. The strong audiovisual presentation draws the reader into its cloud-bound landscape of pipes and cogs.
With Steamrunners, Hacksaw Gaming has created an engaging slot built around spreading mechanics. The system stands out because it can expand in more than one direction, while transformed wilds may reveal multipliers as high as x200. Sticky wild multipliers in the two lower-tier bonus rounds can also double up to x5,000, giving those features considerable upside.
The main drawback is that the biggest results depend substantially on potentially uncommon multiplier arrangements. That dependence can make the game feel demanding. Although a 10,000x maximum win is theoretically possible, the review positions this slot more clearly toward thrill-seekers comfortable with a high-risk, high-reward experience rather than as a dependable way to profit.
With 12+ years of experience in the iGaming industry, Evan specializes in reviewing online casinos, analyzing slot games, and evaluating player safety. Their expertise covers casino licensing, RTP, volatility, bonus conditions, and withdrawal policies. Through hands-on testing and independent research, Evan delivers transparent, fact-based reviews to help players better understand gambling platforms, their features, and potential risks.
