Stack of Steel
Game specifications
Stack of Steel is listed with these key figures in the specification table below: an RTP of 95%, medium volatility, and a max win of x3,000. The table also shows the mechanic, release date and supported platforms where they have been published, and the source of the figures is cited under the table. RTP (return to player) is a theoretical long-term average calculated over a very large number of rounds, so it does not predict the result of a single session.
| RTP | 95% |
|---|---|
| Volatility | Medium |
| Max win | x3,000 |
| Mechanic | 4,096 ways |
| Release date | |
| Platforms | Desktop and Mobile |
Stack of Steel is a steampunk mechanical video slot from Ideal Gaming with 95% RTP, medium volatility and a max win of x3,000. It starts at 4,096 ways on a 4x6 grid, and each Lock & Blast adds a row to the reel height, up to an 8x6 structure. 4 or more Scatter symbols trigger 8 Free Games, and the multipliers and expanded height stay until the end.
Free demo of Stack of Steel (opens in a new tab)
Game features
The main features of Stack of Steel are listed below. Together they describe how a round of Stack of Steel plays, from the way wins are formed to the special rounds and options available in the game. Read them alongside the specification table above, which lists the published figures for the game, and the answers to frequently asked questions further down this page.
- 4,096 ways with a grid that grows from 4x6 up to 8x6
- Lock & Blast keeps winning symbols locked while non-winning symbols vanish
- Each Lock & Blast adds one row to the reel height
- 4 or more Scatter symbols trigger 8 Free Games, plus 2 extra for every additional Scatter
- Free Games keep multipliers and the expanded reel height until the end
Screenshots
Stack of Steel is shown in the screenshots below, which preview the visual style and on-screen layout of the game. They complement the feature list and the specification table above, so that operators and players can see what Stack of Steel looks like before they open it. Published figures such as the RTP and release date are listed in the specification table at the top of this page.
Frequently asked questions
Answers to common questions about Stack of Steel are collected below, covering topics such as its published figures and how the game plays. Each answer is written to stand on its own, so it can be read without the rest of the page, and the figures quoted in the answers match the specification table at the top of this page.
What is the RTP of Stack of Steel?
Stack of Steel has an RTP of 95% according to the Ideal Gaming game specification sheet, with medium volatility and a max win of x3,000. An RTP is a theoretical long-term average, not a prediction for any single session. The steampunk slot starts at 4,096 ways on a 4x6 grid.
How does Lock & Blast work in Stack of Steel?
With Lock & Blast in Stack of Steel, winning symbols stay locked while non-winning symbols vanish, so the board keeps evolving. Each lock and blast expands the reel height by one row, up to a grid of 8x6.
How are Free Games triggered in Stack of Steel?
Landing 4 or more Scatter symbols anywhere in Stack of Steel triggers 8 Free Games, and every additional Scatter adds 2 more. The game also provides a Buy Feature option.
What carries over during Free Games in Stack of Steel?
In the Free Games of Stack of Steel, both the multipliers and the expanded reel height are kept until the feature ends. This lets chained Lock & Blast wins build on each other, and the max win is x3,000.
Can I play Stack of Steel on mobile?
Stack of Steel is available on desktop and mobile, and the Ideal Gaming specification sheet lists both portrait and landscape layouts. The slot offers the same Lock & Blast and Free Game features on both types of device.
Related games
Stack of Steel is related to the titles below: First Emperor: Qin and Magic Show Night. Each card shows the category and published RTP of the game and links to its own page, with the full specification table, main features, screenshots and answers to common questions, so that you can compare these titles with Stack of Steel before choosing which one to open.
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