Roy Rattler
Roy Rattler is a survival-horror FPS about being trapped in a sprawling theme park after a biotech experiment gone wrong brings it's collection of characters to life as murderous mascots! Engage in non-linear exploration and tense combat with limited resources as you search for an escape!
Last Updated: 9/17/2025
| Developer | Kaiju Ultimax |
| Publisher | Kaiju Ultimax |
| Steam App Id | 2482870 |
Roy Rattler
Roy Rattler is a survival-horror FPS about being trapped in a sprawling theme park after a biotech experiment gone wrong brings it's collection of characters to life as murderous mascots! Engage in non-linear exploration and tense combat with limited resources as you search for an escape!
Last Updated: 9/17/2025
- Windows
- Mac
- Linux
About Roy Rattler
Roy Rattler is an Adventure, Action, Indie, Simulation, and Early Access game developed by Kaiju Ultimax. It was released on the Steam Store by Kaiju Ultimax.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Roy Rattler supports the following features:
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Roy Rattler and see the latest screenshots from the Steam Store.
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Frequently Asked Questions
Soures & References
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Roy Rattler data has been sourced from:
- Valve Corporation. (2025, September 17). Roy Rattler on Steam. Steam Store.
- Valve Corporation. (2025, September 17). Roy Rattler. Steam Community Hub.