NOXON

1. 
   Lights Out

   Defeat THE MONOLITH
   33%
2. 
   Shattered

   Defeat THE PRISM
   17%
3. 
   Regicide

   Defeat THE SERPENT KING
   17%
4. 
   Titan Hunter

   Defeat all three bosses in a single run
   17%
5. 
   Untouchable

   Defeat a boss without taking a single hit
   33%
6. 
   Slay the LeviathanSecret

   Steam withholds the description of a secret achievement.
   17%
7. 
   Warming Up

   Score 100,000 points in a single run
   33%
8. 
   Millionaire

   Score 1,000,000 points in a single run
   17%
9. 
   Ten Million Club

   Score 10,000,000 points in a single run
   0.0%
10. 
    Apocalypse

    Reach the APOCALYPSE threat tier
    17%
11. 
    The Third EndingSecret

    Steam withholds the description of a secret achievement.
    0.0%
12. 
    Unkillable

    Survive for 20 minutes
    0.0%
13. 
    Sound Barrier

    Reach a speed of 100 u/s
    17%
14. 
    Golden Surfer

    Max out the speed score multiplier
    50%
15. 
    Clean Sweep

    Kill 50+ enemies with a single shockwave
    33%
16. 
    Wrecking Ball

    Kill an enemy with a grapple zip-smash
    17%
17. 
    Better Together

    Play an online co-op run
    83%
18. 
    Exterminator

    Destroy 10,000 enemies
    100%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 18 of them.