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FlashBoss

FlashBoss

by Odiin

★ 100%
Price $4.99
Avg Players 0
Reviews 12
Released Feb 17, 2026
2DAdventureCard GameCasual
View on Steam ↗

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FlashBoss combines spaced-repetition vocabulary drills with boss-fight encounters across four languages, from beginner to advanced proficiency. Players work through daily lessons featuring words in context, then face ranked battles that test retention—the game's core appeal lies in making rote memorization feel like progression through a familiar RPG framework. It's designed for language learners seeking structure without the friction of blank flashcard management.

About this game

What players are saying

▲ Recommended 22 hrs
I have started this game with a little knowledge of German I started by doing the BossFight which i found a good challenge. I also do the daily lessons and have found this good with good example sentences. A good way to learn new words and to see them used in sentences. i would recommend this to start learning a new language.
5 found helpful Steam ↗
▲ Recommended 0 hrs
works well on linux, the UI is def a unique and welcome simplification on the old DOS console RPG menus, I quite like it and will def use this over ANKI just due to the pre prepped "cards". 100% a learning tool i would recomend.
4 found helpful Steam ↗
▲ Recommended 9 hrs
This game has been really well thought out. After about 9 hours I’m still remembering the words from earlier levels, which shows how well the mechanics stick with you.

It’s simple to start but gets properly challenging, and it has that classic “one more try” loop that keeps pulling you back in. The boss fights are a lot of fun too and break things up nicely. Really fun little game.
4 found helpful Steam ↗

Reviews are by Steam users, hosted on Steam.

Latest updates

Toki Pona comes to FlashBoss - Included Free

10 days ago
Toki Pona joins FlashBoss Today's update adds a fifth free pack to the base game. I have been heavily distracted making upgrades to the game and doing work on a linked project, intended for the Autumn Next Fest: Master Odiin's Universal Keyboard. Expect messages regarding progress, including a downloadable demo — it was meant to ship last week, so: very soon. The alternative voices have also been parked behind a huge amount of content generation work. The coming soon list is completed content that needs final editing and store pages. After that, the majority of the work is done on Russian and Latin, with other projects under consideration. Suggestions are welcome. That's why Toki Pona is being released today: Toki Pona is a minimalist language of around 140 words. Small enough to finish in a summer, deep enough to say almost anything by combining simple words. This pack teaches all of it: 500 cards, from the first word to the last, with attested phrases, original example sentences, and audio throughout. Grammar arrives exactly when you need it — each particle's lesson fires at the card where it first appears. Coming soon Dates available soon. The next publication season starts in August — with the voices guaranteed during July: Castilian Spanish voice — the voice of Spain for your Spanish course: distinción and all. Northern English voice — a warm northern accent for the English packs. It has character, and it teaches beautifully. French — the full 3,000-word course: Core, Pareto 1, and Pareto 2, A1 to B2 and beyond, with a native French voice. Greek Roots — English vocabulary through the Greek that built science and medicine. The fourth Roots pack. Voice packs install and just work — your course speaks with them, no setup. The German overhaul The whole 3,000-word German family was rebuilt and aligned to one smooth difficulty curve: sentences now grow steadily in length and complexity from your first card to your last — no sudden walls, no easy plateaus. Along the w...

FlashBoss

30 days ago
An update since the updateA round of polish is now live across Windows, macOS, and Linux — refinements to everything that landed in last week's big update, in time for the Steam summer sale.20% off for three weeks. Everything is discounted except the two newest packs, Latin Roots and Italian Pareto 2, released too recently to make the discount deadline. 🎙️ Speech & pronunciation toolsRebuilt the PiperTTS window (Ctrl+P) with a cleaner transport — Speak · Restart · Save — a focus-on-open fix so you can type immediately (no more clicking twice), and a built-in ? quick-guide.The PiperTTS window and the Esperanto word analyzer (Ctrl+E) now ship as proper standalone launchers on Windows (.vbs) and macOS (.app).Hardened clipboard paste in both tools — emoji-safe on all three platforms.🌍 Esperanto pronunciation overhaulSwitched Esperanto to a native phonemizer — correct penultimate stress, no stray glide, and the o and e vowels corrected to their proper open-mid sound. Esperanto now sounds noticeably more natural, and is the default.👤 Profiles, options & menusReworked Preferences hub, now per-profile — switch the active profile, change your master, and change language path all in one place.Lessons submenu — re-enable any lessons you'd previously blocked, per pack or all at once.Change Profile screen with a clean at-a-glance card for each hero, and Tab to cycle through your active packs.Delete Profile — permanently remove a profile, with a type-the-name confirmation.🏆 Achievements & combatCombat victories now count consistently: Tier Skip Challenge wins are tallied alongside boss fights everywhere (revision fights excluded).Crossing several milestones at once now pops a single badge per category instead of a stack of notifications.Profile trajectory and drive readouts are now accurate, and best-streak now tracks the daily review correctly.💾 BackupsReworked profile backup — backing up now writes reliably to the vault and syncs across your machines via Steam Cloud, with no mo...

Built-in text-to-speech window. Live audio or save the file

38 days ago
PRONOUNCE ANYTHING YOU CAN PASTEI could have made things easier for everybody by pregenerating audio files and shipping them with the game. You might wonder why I didn't, and finally, I can explain, by presenting the live, locally-generated text-to-speech generation tool, that ships free with FlashBoss. Hit Ctrl+P in FlashBoss to open the PiperTTS window, then paste or type any text and hear it in a natural neural voice. It works for every language you have installed, which includes English, German and Esperanto out of the gate. The tool also allows you to make long, high-quality audio recordings. 5000 words is a safe working limit for now on most machines; roughly equivalent to a chapter of text. Much more on newer machines. There is also a standalone launcher in the game folder, so you can open the speech window without starting FlashBoss. On Linux, click PiperTTS.desktop. On Mac, double-click PiperTTS.app — no Terminal needed (it's unsigned, so the first time, right-click and choose Open). On Windows, double-click PiperTTS.vbs — no console window. Bind any of these to a hotkey or pin it for instant, fully offline access.SUMMER 2026All scheduled content has been released for Summer 2026. German, Spanish, Italian, Esperanto and the beginning of the English Roots series and the free English pack schema: English Advance and Adept. Big advancements have been made, and will continue to be made on the website. Full word lists and all lessons are available now, as well as the boss fight-demo. All resources have share links, so if you find them interesting or useful, please pass them on.CHANGELOGBug fixes:- "Drive" now shows your actual streak-protection buffer (days of cover), not your lifetime grimoire count.- Changing your master correctly recalculates streak, foundation, and epic tracking.- Master message system repaired: correct routing, frequencies, and end-of-content handling.- Next-tier detection fixed for contiguous tiers.- Profile name reuse no longer blocked by...

Posts come from Steam's official announcements feed.

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