Here is the full list of all 27 Evil Glitch achievements.
Reach 600,000 points in survival mode
Reach 300,000 points in survival mode
Reach 600,000 points in arcade mode
Reach 300,000 points in arcade mode
Kill the Dodecagram Assasin and finish phase 3
Destroy 5 motherships in any game mode
Destroy 30 stackers in any game mode
Don’t miss a shot for 90 seconds in any game mode
Don’t miss a shot for 60 seconds in any game mode
Reach 120,000 points in survival mode
Reach 120,000 points in arcade mode
Destroy 30 exception ships in any game mode
Reach 90,000 points in survival mode
Destroy 70 hexahedrons in any game mode
Reach 90,000 points in arcade mode
Destroy 30 octahedrons in any game mode
Gives a tetrabyte the opportunity to live for 30 seconds
Don’t miss a shot for 30 seconds in any game mode
Kill the Octagon Star and finish phase 2
Destroy 40 pentakillers in any game mode
Destroy 1000 tetrabits in any game mode
Kill 40 Octakillers in any game mode
Kill the Metatron Cube and finish phase 1
Finish phase 1 without using warp
Destroy 30 hexakillers in any game mode
Destroy 30 tetrahedrons in any game mode
Destroy 80 tetrabytes in any game mode