Tool: the Thing From the Future (card deck)
The Thing From The FutureThe Thing From The Future is an imagination game that challenges players to collaboratively and competitively describe objects from a range of alternative futures. In addition to being a fun party game, The Thing From The Future is the creative engine behind Futurematic, a speculative design jam series jointly held by the Situation Lab and the Extrapolation Factory.
via Situationlab
Read the whole description: http://situationlab.org/projects/the-thing-from-the-future/
For other examples, see also the IDEO cards, the PLEX deck and the Layers cards.