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FlashBoss - The Guide

Fifth edition rules as flashcards, built on the 2024 revision. 1,205 cards: the stats on hand to run a role-playing expedition. A full German edition; Japanese, Simplified Chinese, Russian and Spanish translations of the English ruleset.

Release date
September 16, 2026
Platforms
Windows, macOS, Linux
Developer
Odiin
Publisher
Odiin
FlashBoss - The Guide artwork
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About FlashBoss - The Guide

FlashBoss - The Guide: the rules a game master needs in their headCompatible with fifth edition, built on the 2024 revision of the rules. 1,205 cards for the person running the table, with Fibonacci spaced repetition and a boss fight at every gate. The Guide is built for the person running the table. Every card is one thing a game master should know cold rather than stop to look up: what a condition does, which die a check calls for, what a DC of 15 is meant to mean, what a stat block is telling you, what a party can actually do at level 5.

Each card gives you the term, a scene of that rule happening at a table, the definition you are drilled on, the rule as you would say it out loud, and the numbers underneath. The scene is the point — the rule arrives as something you could narrate, not as an index entry.A full German edition. Everything in German — headword, definition, rule line, scene and notes on all 1,205 cards, and all 62 reference lessons. German is the complete pack in German.

Japanese, Simplified Chinese, Russian and Spanish play in that language with English answers. The question and the scene are in your language; the headword you answer with, and the word you hear, are English. A toggle on the card shows the translation whenever you want it.…

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