FlashBoss
Learn vocabulary through spaced repetition and boss fights. Native example sentences with grammar notes built in. Fibonacci-timed review. Text-to-speech pronunciation. Ages 12+. No subscription. Built by a CELTA-certified language teacher. PC / Mac / Linux.
Last Updated: 3/28/2026
FlashBoss
Learn vocabulary through spaced repetition and boss fights. Native example sentences with grammar notes built in. Fibonacci-timed review. Text-to-speech pronunciation. Ages 12+. No subscription. Built by a CELTA-certified language teacher. PC / Mac / Linux.
Last Updated: 3/28/2026
- Windows
- Mac
- Linux
About FlashBoss
FlashBoss is an Adventure, Casual, Indie, Simulation, RPG, and Strategy game developed by Odiin. On 2/17/2026, it was released on the Steam Store by Odiin.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, FlashBoss supports the following features:
- Family Sharing
- Keyboard Only Option
- Single-player
- Adjustable Difficulty
- Steam Cloud
- Save Anytime
- Playable without Timed Input
- Adjustable Text Size
From the Steam community, FlashBoss has been tagged with the following user tags:
- Strategy
- Indie
- Casual
- Turn-Based Combat
- Adventure
- Singleplayer
- 2D
- Card Game
- Clicker
- Text-Based
- Word Game
- Atmospheric
- Dark
- Stylized
- 1990's
- Pixel Graphics
- RPG
- Old School
- Simulation
- Combat
- Education
- Software
Media & Sceenshots
Watch the featured video for FlashBoss and see the latest screenshots from the Steam Store.
FlashBoss DLC
FlashBoss has 6 downloadable add-ons available for purchase on Steam which include FlashBoss - Esperanto Pareto 2, FlashBoss - German Pareto 2, and FlashBoss - Spanish Pareto 1.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | FlashBoss - Esperanto Pareto 2 | DLC | 2/17/2026 | Steam Charts |
 | FlashBoss - German Pareto 2 | DLC | 2/17/2026 | Steam Charts |
 | FlashBoss - Spanish Core | DLC | 3/19/2026 | Steam Charts |
 | FlashBoss - German Pareto 1 | DLC | 2/17/2026 | Steam Charts |
 | FlashBoss - Esperanto Pareto 1 | DLC | 2/17/2026 | Steam Charts |
 | FlashBoss - Spanish Pareto 1 | DLC | 3/26/2026 | Steam Charts |
Related Packages
FlashBoss is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
Supported Languages and Localizations
FlashBoss is available in 2 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | No |
| German | No | Yes | No |
Discover Similar Games
Find a new game to play just like FlashBoss through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to FlashBoss.
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
FlashBoss data has been sourced from:
- Valve Corporation. (2026, March 28). FlashBoss on Steam. Steam Store.
- Valve Corporation. (2026, March 28). FlashBoss. Steam Community Hub.
- Odiin. (2026, January 16). FlashBoss. FlashBoss.