Here is the full list of all 50 Citizens of Space achievements.
Earn $10,000.
Defeat 250 enemies.
Get one citizen to Talent Lv 3.
Collect 300 items.
Spend $3,000.
Earn $3,000.
Rescue the Astronomer from her lunar bunker.
Find 45 treasures.
Deal 10,000 damage in combat.
Spend $1,000.
Receive 500 damage in combat.
Earn $1,000.
Defeat 50 enemies.
Discover 30 locations.
Find 15 treasures.
Recruit 5 citizens.
Discover 20 locations.
Leave the Galactic Federation of Planets to find the Earth!
Deal 2,500 damage in combat.
Collect 100 items.
Deal 500 damage in combat.
Discover 10 locations.
Collect 30 items.
Defeat 1,000 enemies.
Receive 2,500 damage in combat.
Receive 10,000 damage in combat
Recruit 25 citizens.
Recruit all 40 citizens.
Spend $10,000.
Find 100 treasures.
Use 25 items.
Use 75 items.
Use 150 items.
Return Earth's core to its proper place.
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.
Get one citizen to Lv 20.
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.