Server IP. cosmicpvp.com. The Factions Challenges series is a competitive, fast-paced experience that takes Factions to a whole new level. This series takes place in the Nebula Planet, Seasonal Galaxy - Season 1. What is Factions. Factions is a competitive gamemode in which players can create their own clan (or faction) and construct bases & all the necessary grinders/farms, raid other factions, form an alliance with others, and much more. This gamemode is also very well known, and has a very large YouTube fanbase. Some YouTubers that record this gamemode are; TheCampingRusher, MrWoofless, PrestonPlayz, CreepersEdge, and many more. The Faction:. RageTrain.