Here is the full list of all 8 Nanobots achievements.
Finish all levels on Sector 2
Finish level 2-3 without using the Static Charge ability
Finish all levels on Sector 1
Finish all levels on Sector 3
Finish level 2-19 in less than 7 seconds
Finish level 3-11 without using Discharge
Finish level 3-13 without using Malware
Talk do ADNA on all levels