Here is the full list of all 15 Tachyon Project trophies - there are 11 bronze and 4 silver.
Drop a Decoy and a Turret in less than 1 second
Destroy 1000 enemies with the bomb launcher weapon
Destroy 1000 enemies using the laser weapon
Finish Level 10 Successfully
Destroy 10000 enemies
Destroy 2500 enemies
Destroy 100 Shield bearer enemies
Destroy 20 enemies in less than 1 second
Destroy 100 Bull enemies
Destroy 500 enemies
Destroy 15 or more enemies with a single explosion
Finish a wave with 1 or less seconds left
Stay hidden for more than 15 seconds in a single level
Stay hidden for a total of 10 minutes
Destroy 10 enemies with the time stopped or slowed down in one go