Chimerium
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🐸 Una rana saggia sa quando dividere l’ordine… e quando aspettare il salto giusto.
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Choose your dice, combine creatures, unleash the chain reaction no one expected.
What it's about
Dice alchemy in a Victorian world where magic is dying
In a steampunk universe where industrialization threatens to extinguish magic forever, you are a wizard fighting to preserve it. Chimerium — designed by Éric Dubus and Olivier Melison with illustrations by Alexandre Bonvalot — places you at the center of the Nexus, the magical heart of the world.
Your weapon? Dice. You select them, manipulate them with Gems and Scrolls, and use them to study new species, acquire powerful Artifacts, or unleash Chimeras into the Nexus. But the exact value of the die matters — only the right number unlocks the right combination, at the right time.
Each turn is a tactical puzzle that changes shape: optimize your actions, anticipate your opponents, control majorities in the Nexus, and trigger devastating chain reactions. Chimerium is as deep as you want it to be.
The game's identity
The die doesn't decide for you — you select it, modify it, fit it in at the exact moment. It's the difference between being subject to luck and mastering it.
The secret of Chimerium in one line
When a Chimera enters the Nexus at the right moment and overturns three majorities in one fell swoop, the table stops for a second. Then everyone starts recombining their plans.
From the gaming experience
Chimerium
The optimization puzzle works great solo: the Nexus reacts on its own, the tension on the rotation remains high. An excellent alternative when there's no company.
FrogScore · FroGames editorial rating · based on rules, international reviews, and play sessionsYour arsenal
What you control in each game
Dice to select
You don't just roll them — you choose them. Dice drafting is where strategy begins, long before using them.
Chimeras to create
Study species, combine creatures in your lab, unleash them into the Nexus at the precise moment. Each Chimera is a strategic move.
Gems and Elixirs
The resources that transform a wrong die into the perfect one. Managing them well separates those who react from those who plan.
The rotating Nexus
The central arena changes orientation. Controlling the rotation — and exploiting it at the right time — is the skill that distinguishes masters.
In a few hours, you'll know exactly which die you should have taken on the third turn. It always happens with Chimerium.
📖RulebookEnglish · Official PDF
A game in five moments
What happens at the table
Not the rules. The experience.
The draft already sets up the puzzle
The dice pool appears on the table. You don't roll them — you look at them, evaluate them, compare them with what the player before you took. Already at this stage you realize: someone took the die you needed. Start redesigning your plan.
The first Chimera takes shape
You study the first species, spend your resources, fit the dice into the right combination. The creature in your lab is still potential — but you already feel that it can overturn majorities if released at the right moment. The tension builds.
The Nexus rotates and changes everything
Someone uses an Elixir to rotate the Nexus. Positions change, majorities are overturned, your perfectly placed Chimera is suddenly in the minority. You use one of your Elixirs to correct it. The table reacts in real time.
The chain reaction no one saw coming
There's always a moment in every game of Chimerium. A Chimera released with the exact die, in a perfect position, triggers three consecutive effects that reset two opponent majorities in a single turn. The table stops. Then everyone redesigns everything.
Who dominates the Nexus wins
The last turns are a tight calculation: who has the majorities, who still has Gems, who can still rotate the Nexus. The game ends. The score is counted. But everyone is already thinking about what they would have done differently on the third turn.
How to play
The flow of each round
Four repeating phases. You learn in one game, master in three.
A pool of dice appears in the center. In turn order, each player chooses one. You don't roll — you select. The value you choose now influences every action of the round.
With your dice, you can Study new Chimera species, Acquire Artifacts for the lab, or aim for a specific position in the Nexus to release a creature. Each choice excludes the others.
Gems and Scrolls modify die values. Elixirs rotate the Nexus. This is the phase where combos come alive — and where majorities are won or lost.
To unleash a Chimera, you must have a die of the exact required value. Timing is everything: releasing too early wastes potential, too late gives ground to opponents.
Why it's different from others
Six mechanics that make a difference
Draft, not roll
Choose which die to take before using it. The result doesn't just happen to you — you anticipate it, select it, plan it. Luck comes into play, but you decide where.
Modify values with resources
Gems and Scrolls allow you to raise or lower a die. Don't suffer the wrong number: correct it. Every resource spent is a strategic decision.
The rotating Nexus
The central arena is not fixed. Whoever uses an Elixir can rotate it, overturning the positions of all Chimeras. A move that changes everything — for you and your opponents.
Chain reaction combos
Some Chimeras activate effects that activate other effects. Building a three-step combo requires planning — seeing it explode on the right turn repays every effort.
Constantly shifting majorities
It's not enough to conquer a zone of the Nexus — you have to hold it. Majorities change every turn, and those who don't defend lose points silently but relentlessly.
Complete and satisfying solo play
The official single-player mode is carefully designed: the Nexus reacts autonomously, the tension remains high, and the optimization puzzle works even without human opponents.
How it ends
Winning in the Nexus — and how you lose
You don't have to destroy your opponents — you have to expand your influence in the Nexus better than them. The strategy changes depending on your ranking.
Victory
- Accumulate more influence points in the Nexus through majorities
- Each Chimera released in the right zone brings progressive points
- Artifacts and Guild bonuses add significant final points
Defeat
- Losing majorities without recovering them costs points every round
- Wasting resources on combos that don't trigger is the mortal sin
- There's no elimination — but falling behind in the late stages is almost impossible to overturn
Chimerium combines dice control with the depth of majorities. It's rare for a game to be easy to understand and difficult to master in the same turn.
Frequently Asked Questions
Chimerium FAQ
What distinguishes Chimerium from other dice games?
In Chimerium, dice are not rolled and endured — they are selected via draft and modified with Gems, Scrolls, and Elixirs. The exact die value unlocks specific actions, meaning every choice is deliberate. It's not pure luck: it's a tactical puzzle where luck provides the raw material and you decide how to work with it.
Is the game also suitable for those unfamiliar with majority games?
With reservations. The basic mechanics can be explained in 20-25 minutes, but the first game requires attention. The draft + modify + release system is consistent once you understand the logic. Those accustomed to resource management games will adapt quickly. Those looking for a game to pick up and play in ten minutes will find Chimerium challenging.
With how many players does it work best?
With 3-4 players, the draft becomes tighter and majorities in the Nexus more contested — it's the richest and most tense experience. With 2, the game is more direct and faster, with less interference but more space to elaborate strategies. The solo mode is carefully designed and offers a complete experience even alone.
Is the solo mode worthwhile?
Yes, concretely. The mechanism by which the Nexus reacts autonomously in solo play is well-constructed: the pressure on majorities remains real, and the dice optimization puzzle works without human opponents. It's a reduced version of the multiplayer experience — not identical, but satisfying in its own right.
Are there any expansions or additional content?
Chimerium is a 2026 title — at release, the base game is complete and standalone. Synapses Games has a history of supporting its titles with subsequent expansions. Keep an eye on the official website for updates.
Is it available in Italian?
This is the English language edition. The text on the components is in English, but the mechanics are visual and logical — the language barrier is low compared to narrative games. The official rulebook is available as a free PDF on the Synapses Games website.
Chimerium is a dice-management and majorities board game for 1–4 players (ages 14+, duration 45–60 min). Designed by Éric Dubus and Olivier Melison, artwork by Alexandre Bonvalot, published by Synapses Games. Core mechanics: dice drafting with modification via resources, Chimera creation, and area control in the Nexus. Each player selects dice from a common pool, modifies them with Gems, Scrolls, and Elixirs, and uses them to Study creatures, Acquire Artifacts, or release Chimeras into the central arena — the Nexus — which can rotate, changing majorities. Chain reaction combos, official solo mode, Victorian steampunk-fantasy setting. English edition. Available on FroGames.it.
Chimerium
Frequently Asked Questions
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