FlashBoss is a terminal-based vocabulary learning game that fuses spaced repetition with RPG mechanics. Review flashcards daily, defeat bosses to unlock new vocabulary clusters, and choose from six masters with distinct personality. Includes German and Esperanto with 1000 words each and full audio.
| Release date: | 17 Feb 2026 |
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| Last update: | 27 Sep 2026 (on Steam, public branch) |
| Developers: | Odiin |
| Publishers: | Odiin |