D100 Dungeon - Lost Tome of Extraordinary Rules

Overview

D100 Dungeon - Lost Tome of Extraordinary Rules is a Steam DLC connected to D100 Dungeon Computer Companion. It was prepared by Steve Weinrich, Martin Knight, published by Dungeon Software US, LLC., and released on Jan 13, 2026. This page focuses on the store listing, screenshots, price, requirements, and its relationship to the main game rather than presenting it as a normal live-player game.

Store reviews and relationship

D100 Dungeon - Lost Tome of Extraordinary Rules is a DLC, so player-count observations and tracked peak are not meaningful in the same way they are for a base game. The useful signals here are reviews, store recommendations, price, platform support, and the link back to D100 Dungeon Computer Companion.

Language and system requirements

D100 Dungeon - Lost Tome of Extraordinary Rules is available in 1 languages including:

2 regional rating boards including dejus and steam germany

Recommendations and store value

D100 Dungeon - Lost Tome of Extraordinary Rules has recommendation data pending. Twitch streaming and unit-sales estimates usually belong on the parent game page, while this page is better for checking the DLC, price, media, and store details.

D100 Dungeon - Lost Tome of Extraordinary Rules overview details

D100 Dungeon - Lost Tome of Extraordinary Rules is tracked as Steam Store content with pricing, reviews, packages, media, requirements, and its relationship to the parent app.

Steam Store description

The Lost Tome Of Extraordinary Rules (Book 4) Adds lots of new rules to your games: Beast Mastery (tame pets), New Find Table (100 entries), The Artisan (crafting system), Easier Investments , Combat Experience (get better as you kill monsters), The Arcanists (60 new spells and a new hero path), Property (buy and sell), Quick Adventurer (create adventurer's fast), Champion Hero Path , Quick Equipment (generate equipment fast), New Mapping Table (straight passageways and corridors), Special Blues (Lairs and Challenges), and Treasure Table D . Note that it is necessary to purchase the pen and pencil version separately. The Companion does not provide any of the documentation that comes with the pen and pencil version.

SteamPulse editorial summary

D100 Dungeon - Lost Tome of Extraordinary Rules is listed as a DLC with $12.99. It supports Windows and macOS, belongs to Single-player, Downloadable Content, and Family Sharing, and is associated with Adventure and RPG. Because it is a DLC, SteamPulse focuses on its Store listing, relationship to the parent app, media, packages, and metadata rather than treating it like a standalone concurrency page.

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.