Experiment B (Backrooms) is a Minecraft server built to recreate Backrooms lore in-game, focused on survival in harsh conditions while you fight dangerous entities. Explore procedurally generated levels including Level 0, Level 1, and Level 2, with 18 total levels available as of the last update. Mine blocks, gather resources, and build bases in custom environments while hunting custom items and blocks that power up your character, including effects like exploding enemies on hit or placing a portal to another level. Face entities such as Smilers, Facelings, and Partygoers, team up through player factions, and interact with NPC factions, missions, and item selling.