Important Links for Remnants of the Precursors

ROTP is an open-source modernization of 1993's Master of Orion · links collected from the community · archived August 2026

Community Hubs

Start here — official site and the community fork with the most active development.

• Official SiteStart here remnantsoftheprecursors.org
• Rotp-Fusion community fork with continued updates and mods github.com/BrokenRegistry/Rotp-Fusion

Play & Source

• Download the latest version rayfowler.itch.io/remnants-of-the-precursors
• Source code (original, by Ray Fowler) github.com/rayfowler/rotp-public
• Reddit discussion reddit.com/r/rotp
• Discord discussion discord.gg/GvYbhTS2x8
• Development updates on Patreon patreon.com/rayfowler
• Mailing list for release & Kickstarter notifications reddit.com/r/rotp/…/new_rotp_mailing_list_for_releases_and
• Player-created mods reddit.com/r/rotp/…/list_of_mods_for_remnants_of_the_precursors
• How to report bugs reddit.com/r/rotp/…/psa_how_to_report_bugs_in_rotp
• Introductory trailer youtube.com/watch?v=VusDAxLpJ9I
• For first-time players — play the original MOO1 first old.reddit.com/r/rotp/…/if_youve_never_played_moo1_or_rotp_play_your

Documents

• Game manual (PDF) github.com/rayfowler/rotp-public/…/manual.pdf
• Diplomacy in ROTP Google Doc

More From the Thread

Additional reference material surfaced in the comments on the same Reddit post.

• Original MoO1 manual (DOS, PDF) retrogames.cz — Master of Orion Manual
• StrategyWiki: Master of Orion most of it still applies to ROTP strategywiki.org/wiki/Master_of_Orion
• Gameplay differences: ROTP vs. MOO1 v1.3 reddit.com/r/rotp/…/gameplay_differences_between_rotp_and_moo_v13
• Succinct list of differences (thread reply) reddit.com/r/rotp/…/is_there_a_succinct_list_of_differences_between
• Guide to installing ROTP on the Steam Deck (2022, Java JDK/JRE) reddit.com/r/rotp/…/guide_to_installing_rotp_on_the_steam_deck_2022
• Steam artwork, logo, background & Big Picture Mode icons imgur.com/a/uZMge55

Sourced from the pinned Reddit post "Important Links for Remnants of the Precursors" (r/rotp) and its comments. Link availability not independently re-verified beyond the original post.