Here is the full list of all 34 Enemy Mind achievements.
Destroy 100000 Enemies
Destroy Ikiryo in under a minute
Destroy the Schell Games logo
Make it through all 8 levels in one session
Get over 10,000,000 points in a single run
Kill 20 Enemies in a Single Aratus Parasite
Destroy Goliath in under 30 seconds
Defend Humanity
Beat a level without being hit
Destroy Ouroboros in under 30 seconds
Complete Level 8
Avenge the Aratus
Take out 5 ships while in an asteroid
Complete Level 7
Complete Level 6
Destroy 5000 Enemies
Kill a ship with every shot in the Vic
Destroy 50 ships with Heat-Seeking Missles
Take over the unknown ship
Complete Level 5
Complete Level 4
Leave 10 ships with no ammo in a single wave
Kill 50 enemies as a Scuttler
Complete Level 3
Destroy Two Enemies While in an Asteroid
Destroy 1000 Enemies
Complete Level 2
Destroy 500 Enemies
Complete Level 1
Destroy 100 Enemies