The original Traveller was my first "hard science" RPG. I started with the Traveller Starter Boxed Set, which was really the 3 LBBs repackaged into a single book. I ran a handful of adventures but spent many an hour turning character generation into a game of its own.
Mongoose Traveller Explorations is currently up at Bundle of Holding. It uses the rules for Mongoose Traveller 2e (currently updated in 2022) and is as current as you can get.
For just US$12.95 you get all four titles in our Starter Collection (retail value $97) as DRM-free ebooks, including Mongoose's complete Traveller Core Rulebook (in its current 2022 Update version) and the sector sourcebooks Behind the Claw (covering Deneb and that much-Travelled playground, the Spinward Marches) and Sword Worlds.
And if you pay more than the threshold price of $35.02, you'll level up and also get our entire Bonus Collection with eight more sourcebooks and adventures worth an additional $147, including Aliens of Charted Space Volume 1 and V2; the Sword Worlds campaign Skandersvik; two Spinward subsector sourcebooks, The Bowman Arm and The Lunion Shield Worlds; two Marches Adventures, 1: High and Dry and 2: Mission to Mithril; and Deneb Adventure 1: The Lost Duke.
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