I have collected some suggestions for achievments posted in another forum:
"One world to rule them all!" - Achieve the highest score with rulling only one planet
"United Federation of Planets" - Form a federation of more than 150 races
"Galactic Empire" - Own or have subject the entire galaxy
"Warp 10" - Unlock the entire Warp technology three
"This is not a space station" - Build a deathstar
"The answer to the life the universe and everything" - Research all technologies
"Your planet was in the way for the Galactic Highway" - Destroy an entire planet
"Empire of Man" - Purge all other species
"That´s no moon..." - Build a space station
"It´s not droids we are looking for" - During the sentient machines disaster, attack another faction
"Assimilate this" - Stop the sentient machines disaster
"Resistance is futile" - As a machine race, conquer the entire galaxy.
"Däniken 2.0" - Share the technology of spacetravel with a minor civilization.
"To bodly go, where no one has gone before..." - Explore the entire galaxy
"Only a dead bug is a good bug" - Wipe out an entire civilization
"Terra Nova" - Colonize a planet
"David vs Goliath" - Win against a civilization which is mightier than you
"The pen is not migthier than the sword" - Win against a civilization which has a huger fleet than you but is not as far technological advanced as you
"This was no worm" - Survive the wormhole disaster
"Stars & Crescent" - Control a star and a crescent
Is this Prester John? - Meet a religious race
"Purple Phoenix" - Colonize a new star, which had been a super nova
"Launch them into outer space" - Explore 5 useless planets in a row
"Why are they still employed?" - Explore 10 useless planets in a row
"Poland can into space" - Steal a spaceship
"Comet sighting" - Frighten a planet, which Race is in the middle age
"Starfleet" - Build up your navy to your civilization's maximum navy forcelimit
"The guardians of peace" - Guarantee the independence of the three most powerful civilizations
"The 12 Colonies of Kobol" - Colonize twelve planets
"Mr. President" - Become elected as the leader of a federation
"The knowledge of the Ancients" - Get technology of the ancient empires
"This comet is harmless" - Stop a comet which is threating another planet
"Technology has a strong influence on the weak minded" - Subjugate a backwards minor civilization diplomatically
"Make it so!" - Explore one planet
"Red shirt" - Lose a science ship while exploring a planet
"Looking in Alderaan places" - Search the remnants of a destroyed planet
"Twinkle, twinkle, little star" - Discover a dwarf star
"Europa Universalis" - Discover a planet named Europa
"Crusader King" - As a monarchy, attack an enemy with another religion
"Milk for the cornflakes" - Unleash the abominations of the warp
"Jango Fett" - Assasinate 3 different Rulers
"Clone trooper" - Have more Manpower than Population
"It's a trap" - Loose a war against a weaker race
"One world to rule them all!" - Achieve the highest score with rulling only one planet
"United Federation of Planets" - Form a federation of more than 150 races
"Galactic Empire" - Own or have subject the entire galaxy
"Warp 10" - Unlock the entire Warp technology three
"This is not a space station" - Build a deathstar
"The answer to the life the universe and everything" - Research all technologies
"Your planet was in the way for the Galactic Highway" - Destroy an entire planet
"Empire of Man" - Purge all other species
"That´s no moon..." - Build a space station
"It´s not droids we are looking for" - During the sentient machines disaster, attack another faction
"Assimilate this" - Stop the sentient machines disaster
"Resistance is futile" - As a machine race, conquer the entire galaxy.
"Däniken 2.0" - Share the technology of spacetravel with a minor civilization.
"To bodly go, where no one has gone before..." - Explore the entire galaxy
"Only a dead bug is a good bug" - Wipe out an entire civilization
"Terra Nova" - Colonize a planet
"David vs Goliath" - Win against a civilization which is mightier than you
"The pen is not migthier than the sword" - Win against a civilization which has a huger fleet than you but is not as far technological advanced as you
"This was no worm" - Survive the wormhole disaster
"Stars & Crescent" - Control a star and a crescent
Is this Prester John? - Meet a religious race
"Purple Phoenix" - Colonize a new star, which had been a super nova
"Launch them into outer space" - Explore 5 useless planets in a row
"Why are they still employed?" - Explore 10 useless planets in a row
"Poland can into space" - Steal a spaceship
"Comet sighting" - Frighten a planet, which Race is in the middle age
"Starfleet" - Build up your navy to your civilization's maximum navy forcelimit
"The guardians of peace" - Guarantee the independence of the three most powerful civilizations
"The 12 Colonies of Kobol" - Colonize twelve planets
"Mr. President" - Become elected as the leader of a federation
"The knowledge of the Ancients" - Get technology of the ancient empires
"This comet is harmless" - Stop a comet which is threating another planet
"Technology has a strong influence on the weak minded" - Subjugate a backwards minor civilization diplomatically
"Make it so!" - Explore one planet
"Red shirt" - Lose a science ship while exploring a planet
"Looking in Alderaan places" - Search the remnants of a destroyed planet
"Twinkle, twinkle, little star" - Discover a dwarf star
"Europa Universalis" - Discover a planet named Europa
"Crusader King" - As a monarchy, attack an enemy with another religion
"Milk for the cornflakes" - Unleash the abominations of the warp
"Jango Fett" - Assasinate 3 different Rulers
"Clone trooper" - Have more Manpower than Population
"It's a trap" - Loose a war against a weaker race
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