Here is the full list of all 51 Vactics achievements.
Unlock all mech body slots.
Destroy 40 Fighter Vactics in a single run.
Destroy 5 Control Tower Vactics in a single run.
Perform 40 combos in a single run.
Move 1000 times in the mech.
10 Vactics are destroyed in a single turn.
Dash through 5 Vactics in a single turn.
Blow up 8 Vactics with grenades in a single turn.
Use teleport tech to reach a Vactic Core.
Trap 5 Vactics with a single magnet.
Prevent a grenade from exploding for 4 turns.
Deploy a laser wall that destroys 5 Vactics.
Unlock all mech tech.
Unlock 6 color palettes.
Unlock 12 color palettes.
Unlock 18 color palettes.
Completed campaign with a district at X-5 or higher.
Completed campaign with 6 active escalations.
Have 6 laser walls active in a level at a single time.