Dreams are central to the Imaginarium: Chimera expansion. To every machine is added a dream, its "soul". Once a turn, instead of doing one of the two actions you chose, you can spend some time dreaming — and if your dreams are persistent, you can win extra resources or victory points (VPs) — or even end the game earlier than normal.
In addition to new projects and assistants, this expansion includes components to allow for play with up to six players, but only in the new "team play" mode in which teammates share resources, VPs, and broken machines. Good communication allows for combined actions...