The Venus Expedition is a free-to-download supplement for the Martian Empires fast-play rules for Victorian Science Fiction wargames. It accompanies the Martian Empires range of 18mm figures sold by Fighting 15s.
The supplement adds details of the Lizardmen forces encountered on Venus and adds some ideas for fighting on a jungle planet. It includes errata for the main rules, scenarios and some helpful FAQs. It was first published in 2012.