Here is the full list of all 49 Battlezone achievements.
Max out shields and equip the shield boost
Complete a medium campaign on easy difficulty
Beat the AI Core
Reach the Volcano
Destroy all Shield Generators in a campaign
Shoot down an incoming homing missile
Defeat a Nemesis
Kill an enemy from more than 120m away
Lose all your lives
Kill a light tank with the heavy cannon
Complete 1 late campaign mission
Get a kill with a power shot
Kill 2 enemies with 1 shot
Complete 1 mid-campaign mission
Enable the active reload
Fill all the loadout slots on your tank
Launch a probe
Destroy a Shield Generator
Kill a UFO
Complete 1 early campaign mission
Complete a mission without taking damage
Convert a building
Complete the intro mission
Complete a long campaign on easy difficulty
Complete a medium campaign on normal difficulty
Complete a long campaign on normal difficulty
Complete a medium campaign on hard difficulty
Complete a long campaign on hard difficulty
Complete a mission with 4 players
Visit every Supply Point on a campaign map
Reveal all hexes on a campaign map
Use turbo for a total of 1 hour
Kill 4 enemies with a single multi-lock on salvo
Get 100% accuracy in a mission
Kill a hopper with the artillery
Drive every tank
Beat the campaign with 4 players
Complete a campaign without destroying any Shield Generators
Destroy 1000 enemy tanks
Destroy 500 enemy hoppers
Destroy 750 enemy towers
Unlock 100 Weapons
Complete a medium campaign on hard without losing a life
Collect 10,000,000 data
Get 3 kills with a single artillery shot
Go from start to finish with the same 4 players
Complete 10 campaigns on normal difficulty or above
Win a mission without firing a shot
Complete a campaign on Extreme