# Stack of Steel

> Web page: https://seo.idealgamingdemo.com/games/slot/stack-of-steel
> This is the Markdown version of the web page above, provided for AI assistants and text tools.

[Home](https://seo.idealgamingdemo.com/) › [Games](https://seo.idealgamingdemo.com/games) › [Slots](https://seo.idealgamingdemo.com/games/slot) › Stack of Steel

## Game specifications

- RTP: 95%
- Volatility: Medium
- Max win: x3,000
- Mechanic: 4,096 ways
- Release date: 2026-07-02
- Platforms: Desktop and Mobile

[Source: Ideal Gaming game specification sheet (RTP, volatility, max win); release date is provisional (2026-10-28, pending confirmation) (ref. ht-stackofsteel, sheet GameNo 362, volatility index 10.31)](https://demo.idealgaming.com/enus/ht-stackofsteel)

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.

## Game features

- 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

## Frequently asked questions

### 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

- [First Emperor: Qin](https://seo.idealgamingdemo.com/games/slot/first-emperor-qin)
- [Magic Show Night](https://seo.idealgamingdemo.com/games/slot/magic-show-night)

Last updated: 2026-10-28