Platforms
Firestone Idle RPG is launched from a gaming platform which handles user login, in-game purchases and updates. Some platforms provide platform-specific content such as platform achievements.
Browser platforms
Kongregate
The game was first released on Kongregate on 1 April 2019 in a closed beta version. The public release was then on 9 May 2019.
Armor Games
The game was released on ArmorGames on 9 May 2019.
R2Games
The game was released on R2Games on 18 May 2020.
Miniplay
The game was released on Miniplay on 30 September 2020. There are 25 platform achievements on Miniplay.
Crazy Games
The game was released on CrazyGames on 15 March 2024.
The game was released on Facebook Instant Gaming on 21 March 2025.
Yandex
The game was released on Yandex on 1 August 2025.
Desktop platforms
Kartridge
The game was released on Kartridge on 20 September 2019. The Kartridge platform was discontinued in September 2023, so it's not possible to play the game from this platform any more.
Steam
The game was released on Steam on 26 September 2019 as early access game. The full release was then on 1 April 2024. There are 75 platform achievements on Steam. On 21 June 2024, the "Go Banana!" DLC was published on Steam with which Grace's attack can be visually changed from lightning bolts to bananas.
Epic Games
The game was released on Epic Games on 25 April 2023. There are 75 platform achievements on Epic Games. From 9 May 2024 to 16 May 2024 there was a special promotion on Epic Games which included free currencies, chests, the Aurelia and Tangerine avatars, and the "Wild" skin for Talia. This promotion was repeated from 17 April 2025 to 24 April 2025 with the "Legendary Hoplite" skin for Boris and from 2 October 2025 to 9 October 2025 with the "Cheerful Monk" skin for Benedictus.
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Talia, the wild -
Boris, the legendary hoplite -
Benedictus, the cheerful monk
Mobile platforms
Google Play
The game was released on Google Play on 21 December 2020 in a limited number of countries. The global release was then on 28 December 2020. There are 75 platform achievements on Google Play.
App Store (IOS)
The game was released on App Store (iOS) on 27 September 2023.