Imperium. After the company's license to the Traveller brand and setting lapsed, the purely mechanical elements of this game were republished as the generic SciFi20 system. GURPS Traveller: Interstellar Wars In 2006, Steve Jackson Games released GURPS Traveller: Interstellar Wars (GTISW, sometimes GTIW) for the 4th edition of GURPS from 2004. The timeline was rolled back to 2170, which is several millennia earlier than the usual Traveller setting, to the early days of Earth's presence in space at the time when Earth first started to send out interstellar ships to include the period just after the Third Interstellar War between the Terran Confederation (Earth) and the gigantic Ziru Sirka Empire (Vland). Traveller Hero A port of the Traveller setting to the Hero System, produced under license by Comstar Games in 2006. Mongoose Traveller Mongoose Publishing published this version both in a traditional format and as an open gaming SRD around which other games may be built. It is based heavily on the original Traveller, with updated careers and technology. It is referred to as "MgT" or "MGT" to differentiate it from "MT", or MegaTraveller. The core rule book was released in April 2008, with a regular series of supplements following. Traveller5 In 2013, Far Future Enterprises published a new set of rules by re-working and integrating concepts from earlier rulesets. The Traveller5 Core Rules book is a rules mechanics reference, pulled from Traveller adventures and toolbox material from supplements. Its update, v5.10, was reprinted in 2019 after a successful crowdfunding campaign, with errata and a new format, this time breaking down the game rules into three distinct books: Characters and Combat, Starships, and Worlds and Adventures. Mongoose Traveller 2nd Ed. A second edition of Mongoose's Traveller was published in 2016 and updated in 2022. It uses a full color production style while resembling the original Traveller rules in scope. This edition is not licensed under the Open Game License. The second edition core rules include pre-career university and military academy education options. Skills specialization have been reorganized to reduce skill bloat. Some equipment descriptions have been altered and spacecraft operations and combat now have a different approach. Additional supplements flesh out rules further, including a revision to High Guard to handle all starship design. Reception In the April–May 1978 edition of White Dwarf (Issue #6), Don Turnbull gave a strong recommendation for the new game, saying, "Altogether, what is here