Expansion Asteroids that complements the base game Nexum Galaxy. With this expansion, Nexum Galaxy becomes completely a 4X game (eXplore, eXpand, eXploit and eXterminate). It also introduces asymmetry in the factions, technology, new resources, more ships... Increases replayability by adding new Systems to those included in the base game, as well as Event and AI cards. Special Multibattle mode. Play several games simultaneously, by sides transferring ships and resources between tables, through Wormholes. Special Campaign mode, Navigate and fight for the different Sectors, orienting yourself with the map and atlas of the Galaxy. Special Tournament mode. Join several base+expansion games and organize with your friends, or in your association, or in the classroom, quick tournaments of up to 4 tables of 4 players playing simultaneously by sides.