Celestial Weather Additions by shibadisaster, updated for Factorio 2.1: more weather VFX for newer modded planets, on top of Celestial Weather (Updated).
Small changes concerning balance, gameplay, or graphics.
Void Processing by RustyNova, updated for Factorio 2.1. A Space Age extension right after promethium science: a whole new tier of science focused on matter/reality manipulation, with challenges from all planets and new space locations to discover.
Mods introducing new content into the game.
Graphics for Nexus Extended Promethium Endgame (2.1): Nexus-Graphics by Karu_Kiruna, updated for Factorio 2.1 until the original has a 2.1 release.
Mods introducing new content into the game.
Storms, instability and the shield on Nexus: Nexus-Threat by Karu_Kiruna, updated for Factorio 2.1 until the original has a 2.1 release.
Mods introducing new content into the game.
Nexus Extended Promethium Endgame by Karu_Kiruna, updated for Factorio 2.1 until the original has a 2.1 release: expands the promethium endgame with the planet Nexus, new production steps and resources.
Mods introducing new content into the game.
Nexus is still transmitting. Nine bosses answer the signal: light a summon beacon, hold it, kill what comes, take its trophy. Nine trophies make the warp key.
Mods introducing new content into the game.
Balance for Nexus Extended Promethium Endgame: eased prices, beacons on its machines, a faster omega lab, the zero-point energy engine core limited by its quality, the warp drive only to the Oort cloud and Sol, storms that calm down.
Small changes concerning balance, gameplay, or graphics.