Here is the full list of all 24 Super Trench Attack! achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Confront the Keiser.
Stop the train.
Shoot all the crows at the farmlands.
Destroy the Black Mole.
Defeat the Admiral.
Destroy the enemy tanks.
Take out the enemy tank division.
Find agent Biggs.
Destroy the sea-monkey.
Collect the battleship blueprints.
Clear the two beach bunkers.
Destroy the two radio antennas.
Survive the boot camp.
Destroy the battleship.
Rescue the professor before the enemy get him.
Knife atleast fifty enemies.
Clear out the hidden beach bunker.
Light all the torches on Pebble Beach.
Smash all the bottles at Pebble Beach.
Stop the professor.
Complete the game.
Clear the cellar at the village.
Win 2500G overall at the casino.
Collect all the tent furniture