Here is the full list of all 181 Lord of Rigel achievements.
Establish a trade treaty of any amount with another species.
Begin the Lord of Rigel Tutorial
Begin a game in a mineral rich galaxy.
Start a game as the Katraxi.
Start a game in a huge galaxy.
Start a game as the Selach.
Retreat in tactical combat.
Start a game in a galaxy with many anomalies.
Start a game as the Aranids.
Win a game at Beginner difficulty.
Win a game in a tiny galaxy.
Win a game as the Xantus.
Successfully execute an influence spy mission.
Successfully execute a sabotage spy mission.
Successfully execute a steal technology spy mission.
Scrap a building or ship for BCs.
Self destruct a ship in tactical combat.
Start a game in a galaxy with few anomalies.
Begin a game in a cluster shaped galaxy.
Begin a game in an old galaxy.
Begin a game in a mineral poor, organic rich, galaxy.
Start a game with Beginner difficulty.
Start a game in a tiny galaxy.
Start a game as the Xantus.
Destroy all other factions in a game.
Force the galaxy to yield to your military might.
Win a game at Easy difficulty.
Win a game in a medium galaxy.
Win a game as the Ornithon.
Lose a ground battle for the first time.
Defeat a Von Neumann Drone
Win ground combat for the first time.
Engage in ground combat for the first time.
Defeat a space amoeba.
Destroy a comet before it impacts a planet.
Autoresolve combat.
Establish your first outpost of any type.
Purchase production using BCs.
Raise imperial taxes for the first time.
Defeat a space crystal.
Fight and win in tactical combat.
Design your first starship using the ship designer.
Establish contact with an alien species.
Establish your first new colony.
Complete your first turn.
Begin a new game using any settings for the first time.
Start a game in a galaxy with average anomalies.
Begin a game in a spiral shaped galaxy.
Begin a game in an average age galaxy.
Begin a game in an average mineral galaxy.
Start a game with easy difficulty.
Start a game in a medium galaxy.
Start a game as the Ornithon
Customize your faction in new game.
Start Lord of Rigel for the first time.
Complete the Lord of Rigel Tutorial.
Meet any victory condition in a tutorial game.
Discover your first star system.
Construct your first building.
Research your first technology.
Construct your first starship.
Construct your first orbital.
Build your first troop transport.
Train your first spy.
Declare war on a species.
Establish a peace treaty with a species you are at war with.
Establish a non-aggression pact with another species.
Establish an alliance with another species.
Merge another faction into your empire diplomatically with a union.
Establish a research treaty of any amount with another species.
Force another faction to surrender to you.
Bomb a planet for the first time.
Use biological weapons for the first time.
Use a planet destroying weapon for the first time.
Build an artificial planet for the first time.
Build your first Ringworld
Use a protomatter device for the first time.
Build your first Dyson Sphere.
Terraform a planet to change its climate for the first time.
Begin a game in a young galaxy.
Start a game with Average difficulty.
Start a game with hard difficulty.
Start a game on impossible difficulty.
Start a game in a small galaxy.
Start a game in a large galaxy.
Start a game in a gigantic galaxy.
Start a game in a legendary galaxy.
Start a game with a custom species.
Start a game as the Humans.
Start a game as the Synth.
Start a game as the Tharrn.
Start a game as the Tulocks.
Start a game as the Yalkai.
Lose your a game of Lord of Rigel.
Secure a diplomatic victory.
Achieve your first victory by any means.
Win a game at Average difficulty.
Win a game at Hard difficulty.
Win a game at Impossible difficulty.
Win a game in a small galaxy.
Win a game in a large galaxy.
Win a game in a huge galaxy.
Win a game in a gigantic galaxy.
Win a game in a legendary galaxy.
Win a game as the Aranids.
Win a game as the Humans.
Win a game as the Selach.
Win a game as the Synth.
Win a game as the Tharrn.
Win a game as the Tulock.
Win a game as the Yalkai.
Win a game as the Katraxi.
Rename your homeworld.
Construct your first frigate.
Construct your first destroyer.
Construct your first cruiser.
Construct your first battleship.
Construct your first titan.
Construct your first behemoth.
Construct your first starbase.
Construct your first battlestation.
Construct your first Citadel
Build your first android.
Use telepathy to conquer a planet.
Send tribute to another species for the first time.
Force another species to concede to your demands for the first time.
Successfully execute an infiltrate spy mission.
Construct your first Listening Post.
Construct your first Trade Depot.
Construct your first Research Station.
Construct your first Fleet Anchorage.
Construct your first Colony Base in a system.
Start your first skirmish battle.
Have a ship crew gain rank for the first time.
Defeat space pirates.
Complete a research victory and ascend to another dimension.
Complete 50 turns in one game.
Complete 100 turns in one game.
Complete 250 turns in one game.
Complete 500 turns in one game.
Explore 5 systems in one game. (Does not apply to omniscient species)
Explore 10 systems in one game. (Does not apply to omniscient species)
Explore 25 systems in one game. (Does not apply to omniscient species)
Explore 50 systems in one game. (Does not apply to omniscient species)
Explore 100 systems in one game. (Does not apply to omniscient species)
Explore 250 systems in one game. (Does not apply to omniscient species)
Explore 500 systems in one game. (Does not apply to omniscient species)
Settle 5 systems in one game with colonies or outposts.
Settle 10 systems in one game with colonies or outposts.
Settle 25 systems in one game with colonies or outposts.
Settle 50 systems in one game with colonies or outposts.
Settle 100 systems in one game with colonies or outposts.
Settle 250 systems in one game with colonies or outposts.
Settle 500 systems in one game with colonies or outposts.
Acquire 5 technological applications in one game.
Acquire 10 technological applications in one game.
Acquire 25 technological applications in one game.
Acquire 50 technological applications in one game.
Acquire 100 technological applications in one game.
Construct 5 buildings in one game.
Construct 10 buildings in one game.
Construct 25 buildings in one game.
Construct 50 buildings in one game.
Construct 100 buildings in one game.
Construct 5 starships in one game.
Construct 10 starships in one game.
Construct 25 starships in one game.
Construct 50 starships in one game.
Construct 100 starships in one game.
Defeat the Rigelans.
Defeat the Arcturans.
Attend your first Galactic Council vote.
Enable the cheat console.
Complete 150 turns of the Lord of Rigel demo.
Destroy an ancient planet killer.
Defeat an extra dimensional system killer.
Defeat the infection mothership.
Defeat the rag tag fleet and its machine crusade.
Defeat the Von Neumann Mothership.
Complete any victory condition aligned with the Rigelans.
Complete anu victory condition aligned with the Arcturans.