
Follow the game's development : 
Antimatter is a strategy game in a simulated galaxy where you create and incarnate a character.
In command of your spaceship, trade, fight, explore or lead an interstellar empire.
You will dive into a complex universe where you, a mere player, is the insignificant cog of a cruel simulation.

Antimatter is a strategy game in a simulated galaxy where you create and incarnate a character.
In command of your spaceship, trade, fight, explore or lead an interstellar empire.
You will dive into a complex universe where you, a mere player, is the insignificant cog of a cruel simulation.
Features
- Thousands of systems and planets to explore in a gigantic instantiated galaxy.
- A dynamic universe where dozens of factions struggle for power or survival.
- Take command of a spaceship, trade, mine, harvest, scavenge, produce and participate in the simulated economy.
- Manage an existing city or found a new colony on any planet.
- Climb the political ladder of a commercial corporation or a sovereign organisation, or found a new one from scratch.
- Interact with AI characters who are living independant and simulated life in the Antimatter universe.
- Terraform entire planets by altering their atmospheric compositions.
- Fulfil missions for corporations, factions or individuals, or unravel the secrets of this galaxy.
- Get involved in the Antimatter Crisis and try to change yourself the course of history.
How To play ?
Antimatter is a RPG that plays as a grand strategy game, you have neither omniscience or omnipotence, most of your responsibility can be delegated to spaceship captains and governors if you control any territory.
No micromanagement is required, you have the freedom to deal with the businesses that interests you the most.
Antimatter plays in the intersideral space, on the planet's surface or in the mysterious undergrounds, you can play all the way from a space journeyman to a galactic emperor.

Create and customise your galaxy with all available options, such as the stellar systems count and types or the historical events that will impact the simulation of civilisations through the ages.- An universe generated and simulated across billions of years with a realistic accretion model of gas and dust.
- A simulation of civilisations through thousands of years, filled with historical events.
- Asteroids, comets, nebulae, planets and many other astral objects to explore.





- A wide range of planets, entirely simulated and procedurally generated.
- A procedurally generated geology.
- A realistic and dynamic atmospheric simulation.
- Terraform entire planets by altering their atmospheric composition.




All civilisations are procedurally generated and simulated through thousands of years. Ruins, monuments, POIs and ancient artefacts exist thanks to this detailed simulation.

- Manage your crew and the specialty of your crewmembers.
- Customise your spaceship with many modules and choose from dozens of different spaceships.
- A radar simulation with passive and active detection, which rewards stealth and reconnaissance.
- A varied range of weapons, such as missiles capable of crossing millions of kilometres.
- Manage your fleet and hosted ships.
- Land on any planet or asteroid in the galaxy.
- Study and harvest exoctic flora.
- Meet and profit from ancient civilisations.








- Create and incarnate a character, define his physical and psychological traits, his education, characteristic and skills and his appearance.
- NPCs have their life simulated from birth, each trait and characteristics come from an experience in their lives.
- NPCs have their own artificial intelligence, they act by themselves with the same liberty as the player. You are not the only actor in this universe. NPCs also contribute to the political system of organisations.




Create, or be part of a commercial corporation, a sovereign state or a criminal organisation, fulfil missions and climb the ladder of the organisation.- Trade goods.
- Mine and harvest ressources and objects.
- Manage and build space stations, and produce new spaceships.
- Embrace a pirate's life with extorsions and deceiving actions.
- Administrate cities and territories, or lead an entire empire.
- Participate in the organisation's political intrigues.
- Lead and organise a fleet by using your influence.






THe terrain of each planetary region (tile) can be explored and can even be the location of a colony. Each region has its own geology, a simulated biosphere and can host ancient ruins generated during the historical simulation.- Manage the city's industry, trade, demography and its political aspects.
- Plan the city's defences against orbital threats.
- Develop and extend the city's frontier across the planet.
- Explore deep and mysterious subterranean regions.
- A destructible environment and a liquid simulation.
- A dynamic weather system.
- A monstruous fauna (only giant worms for now).






Change the climate of an entire planet by slowly modifying its atmospheric composition, observe the chain reactions on its geology, hydrosphere and its biosphere thanks to a detailed and realistic atmospheric simulation.
The flora is entirely simulated where each species' reign depends on local conditions and the other competing species.



Demo II Wrap-Up & Roadmap to Demo III
Thank you to all the testers who provided feedback for this second version of the demo. Many of you submitted detailed bug reports and suggestions, and Ill be working on all of them.\n\nThe game is getting better, and features are slowly but surely being consolidated thanks to your feedback.\n\nDemo II ends today, so it is time to lay out the roadmap for Demo III, which will be released within 2 months.\n\n
DEMO III ROADMAP
\n\nFixing bugs
\nThanks to the large number of reports (mainly on Discord), I have a lot on my plate for this dev cycle. Ill prioritize this.\n\nRevise landing on planets and asteroids
\nThis will be deeply reworked, both in the UI and in the mechanics.\n\nRevise planet orbital survey
\nWith improved UI, better mechanics, and balancing of the feature.\n\nRevise close combat
\nCrew vs. crew combat will be reworked to its final version, featuring improved boarding operations, but also special ops options and combat during encounters while traveling on the planet surface (expeditions).\n\nRevise shipyards
\nImprovements with a dedicated UI and consolidated mechanics.\n\nRevise ground expeditions
\nOverhauling the UI and consolidating the feature into a stable state with meaningful content.\n\nRevise planet surface (planisphere)
\nA UI pass, optimizations, fixes for known issues, and the addition of overlays.\n\nSimulated economy
\nThe scenario will start with a richer economy, providing more trade and production opportunities for both the AI and the player. The economy in Antimatter is fully simulated, but in its current state it can feel too cold.\n\nAdditional tutorial missions
\nThe tutorials introduced in Demo II proved useful in teaching some basic features. The next demo will feature at least two additional missions in the tutorial questline, introducing you to two more consolidated features of the game.\n\nSee you soon.\n[ 2025-10-02 20:02:37 CET ] [Original Post]
Minimum Setup
- OS: Linux
- Processor: Pentium 4 @1.5 GHz
- Graphics: AMD or Nvidia Graphics card with 512MB RAM
GAMEBILLET
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FANATICAL
[ 5870 ]
GAMERSGATE
[ 1991 ]
MacGameStore
[ 1943 ]
INDIEGALA
[ 986 ]
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