Here is the full list of all 50 Citizens of Space achievements.
Spend $10,000.
Get one citizen to Lv 20.
Return Earth's core to its proper place.
Receive 2,500 damage in combat.
Find 45 treasures.
Defeat 250 enemies.
Discover 30 locations.
Collect 300 items.
Spend $3,000.
Rescue the Astronomer from her lunar bunker.
Earn $10,000.
Discover 20 locations.
Spend $1,000.
Find 15 treasures.
Recruit 5 citizens.
Get one citizen to Talent Lv 3.
Collect 100 items.
Deal 10,000 damage in combat.
Earn $3,000.
Receive 500 damage in combat.
Earn $1,000.
Discover 10 locations.
Leave the Galactic Federation of Planets to find the Earth!
Deal 2,500 damage in combat.
Defeat 50 enemies.
Collect 30 items.
Deal 500 damage in combat.
Defeat 1,000 enemies.
Receive 10,000 damage in combat
Recruit 25 citizens.
Recruit all 40 citizens.
Find 100 treasures.
Use 25 items.
Use 75 items.
Use 150 items.
Recover the pieces of Earth noted in the president's intel.
Corporate Espionage Action
Foil the president's convoluted plot against his own planet
Stop the GalactiFactory before it totally recalls Earth.
Defeat GalactiCo within the Corporate Dimension.
Summon a citizen in battle 50 times.
Implement a policy in battle 20 times.
Swap Citizens in battle 100 times.
Complete 25 bounty missions for the Sheriff.
Collect 1,000 shiny bits.
Beat the game with all citizens recruited.
Get all citizens to Talent Lv 3.
Complete all Wanted Poster quests.
Complete all Extermination quests.
Complete all Hide-And-Seek quests.