# Two Rooms and a Boom: Necroboomicon Expansion Pack

## General Info
- **Year Published**: 2017
- **BGG Rating**: 7.0
- **BGG Rank**: —
- **Players**: 6-30 (Best with: 12)
- **Duration**: 15 min
- **Weight**: 2.00 / 5
- **Designers**: Alan Gerding, Sean McCoy
- **Artists**: Sean McCoy
- **Publishers**: Tuesday Knight Games
- **Categories**: Bluffing, Deduction, Expansion for Base-game, Horror, Negotiation, Party Game, Spies / Secret Agents
- **Mechanics**: Acting, Team-Based Game, Variable Player Powers, Voting

## Verdict
For fans of bluff and deduction games with a splash of cosmic horror, Necroboomicon is the perfect addition.Intense bluffingEngaging deductionLovecraftian themeCompact expansionHard modeSmall groupsFOR GENRE FANS

## Description
Two Rooms and a Boom is already a party game classic, where teams of players split between two rooms and must exchange information quickly to stop the ‘boom’ from happening. The Necroboomicon Expansion Pack adds a new layer of tension to the game, featuring Hard‑mode characters and a theme inspired by H.P. Lovecraft’s universe. The pack comes in a sleek foil blister, with character cards that demand more strategy and attention than the originals. Players now face not only the need to cooperate but also the fear that a secret agent lurks in the shadows, spreading rumors and deception. The voting mechanic takes on an even more dramatic tone, as the decision of who will be eliminated can change the course of the game in seconds. For smaller groups – from six to ten players – the expansion allows color sharing, something that was previously restricted to games with more than eleven participants. This helps keep the pace and flow, preventing the game from becoming slow or unbalanced. The components include a set of foil character cards, action tokens, and a revised rulebook that explains the differences between Hard and Normal modes. Although the game retains the simplicity characteristic of Two Rooms and a Boom, Necroboomicon adds layers of bluffing, deduction, and supernatural tension that delight both those who already know the title and new players seeking a party game experience with a touch of cosmic horror. When playing, participants find themselves immersed in mystery narratives, where every move can reveal or conceal vital clues, creating a unique suspenseful atmosphere that keeps everyone on the edge of their seat. Moreover, the expansion introduces new card‑movement rules that require players to plan their information exchanges even more carefully, making each encounter more strategic and unpredictable.

## FAQ
### How many players can play with the Necroboomicon?
It works with the same range as the base game, 6 to 30 players, but allows color sharing in groups of up to 10 players.

### How long does a game with the expansion take?
A typical game takes 15 to 15 minutes, exactly like the original.

### What is the complexity level?
The expansion keeps the simplicity of the base game, easy to learn and quick to play.

### What components does the expansion include?
Foil character cards, action tokens, a revised rulebook, and new movement cards.

### Is the expansion compatible with the original version?
Yes, it fits perfectly into Two Rooms and a Boom and does not require additional pieces beyond those supplied.

### Who is the Necroboomicon recommended for?
For those who already enjoy Two Rooms and a Boom and want an extra challenge with bluff, deduction, and cosmic horror.

### Is there any language dependency?
No language dependency; the game works in any language.