Here is the full list of all 19 Singled Out achievements.
Stop 10 Galactic Supercriminals.
Stop 100 Galactic Supercriminals.
Stop 1,000 Galactic Supercriminals.
Reach level 5.
Reach level 10.
Reach level 15.
Reach level 20.
Reach level 25.
Get a final score of 2,000.
Get a final score of 5,000.
Get a final score of 10,000.
Get a final score of 20,000.
Get a final score of 30,000.
Get a final score of 50,000.
Stop a criminal with less than half a second to spare.
Stop a criminal within 2 seconds on level 10 or above.
Explore the developer's other games.
Defeat the criminal overlord behind all this.
Complete Memory Mode.