Here is the full list of all 27 Tank Universal achievements.
128 Glyphs collected.
256 Bit Supreme rank achieved.
128 Bit Overlord rank achieved.
128 Bit Deathtank rank achieved.
All transports evacuated safely.
All upgrades + sub-upgrades installed.
Hero of the Resistance medal awarded (normal difficulty)..
Saviour of the Resistance medal awarded (hard difficulty)..
Trooper of the Resistance medal awarded (easy difficulty).
128 Bit Hardened rank achieved.
64 Bit Reaper rank achieved.
Nuke launched.
Behemoth takedown achieved.
Behemoth takedown by minelaying.
512 Powershards collected.
Full Access rank achieved.
64 Glyphs converted.
256 kills achieved.
Completed the ride first time.
Megaron Tank takedown achieved.
ChipHead rank achieved.
Can Read Write rank achieved.
256 Powershards collected.
128 kills achieved.
Basic training passed.
Two Bit Unit rank achieved.
Bit Brain rank achieved.