It’s time to gather your party and your favorite tabletop role-playing game system.

The HST project outreach team, in conjunction with the Goddard Office of Communications, released a Tabletop Roleplaying Game (TTRPG), The Lost Universe on the NASA Hubble website. The @NASA flagship accounts led the promotion and their post on X reached over 2.5 million people making it their second largest post this calendar year. The webpage has had 250,000 pageviews (over 80,000 downloads) and numerous online media outlets reported on the release that included two very positive stories by Forbes.

The Lost Universe
NASA's Tabletop Role-Playing Game Adventure

A dark mystery has settled over the city of Aldastron on the rogue planet of Exlaris. Researchers dedicated to studying the cosmos have disappeared, and the Hubble Space Telescope has vanished from Earth’s timeline. Only an ambitious crew of adventurers can uncover what was lost. Are you up to the challenge?

This adventure is designed for a party of 4 – 7 level 7 – 10 characters and is easily adaptable for your preferred TTRPG system.

NASA’s first TTRPG adventure invites you to take on a classic villain (while also using and learning science skills!) as you overcome challenges and embark on an exciting quest to unlock more knowledge about our universe. Download your game documents below and get ready to explore Exlaris!

Want to share how your adventure unfolds? Share it with #NASATTRPG on social media.

• Download The Lost Universe gameplay instructional booklet [PDF]
• Download the map of Aldastron to help you navigate through your adventure [PDF]
• Download and print The Lost Universe poster [PDF]