The Arceans are a race of technologically advanced aliens who can steal technology from other players by using their 'Tech Theft' ability.

There are three types of encounters in Cosmic Encounters: Battle, Negotiation, and Trade. Diplomacy is not a type of encounter.

The Xenos are a race of shapeshifting aliens who can transform other players' planets into their own by using their 'Metamorphosis' ability.

The Terrans are a race of humans who can create new planets by using their 'Terraforming' ability.

The Mentak are a race of pirates who can control other players' ships by using their 'Boarding Party' ability.

The Xxcha Kingdom are a race of pacifists who can destroy other players' planets by using their 'Sabotage' ability.

The Hacan are a race of traders who can gain victory points by controlling the most planets.

The L1Z1X Mindnet are a race of artificial intelligences who can create wormholes by using their 'Wormhole Nexus' ability.

The Nekro Virus are a race of undead aliens who can gain victory points by destroying other players' ships.

The Sardakk N'orr are a race of militaristic aliens who can steal other players' technology by using their 'Plunder' ability.

The Mentak Coalition are a race of pirates who can gain victory points by controlling the most trade routes.

The Jol-Nar are a race of scientists who can create new technologies by using their 'Research' ability.

The Federation of Sol are a race of humans who can gain victory points by controlling the most systems.

The Psilon are a race of psionics who can create new ships by using their 'Psionic Shipyards' ability.

The Arborec are a race of plant-like aliens who can gain victory points by controlling the most planets with resources.