Here is the full list of all 12 Mind Dead achievements.
First encounter with zombies
Perform 300 headshot in the campaign
Kill 500 zombies in the campaign
Use 40 meds in the campaign
Achieve 15000 experience points in the campaign
Die 20 times in the campaign
Complete the campaign without dieing
Complete the campaign
Complete the lockdown mode with your men alive
Complete the lockdown mode with agent Stan
Complete the lockdown mode without dieing
Complete the lockdown mode with agent Muda