Full list of all 27 Arcade Classics achievements.
The base game contains 18 achievements, and there is 1 DLC pack containing 9 achievements.
Upgrade the blue tank.
Upgrade the brown tank.
Stock up a total of 5 shields and missiles combined.
Safely guard the city buildings through to wave 8.
Score 15000 points.
Use your shield to survive an invader missile hit.
Destroy at least one of each invader type.
Destroy a minimum of 6 invaders with one missile.
Make it past wave 3 without using any shields or missiles.