Full list of all 26 Tachyon Project achievements worth 1,000 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox One.
Reach 10,000,000 points accumulated
Destroy 2500 enemies using the laser weapon
Level 10 Completed
Destroy 200 Constructor Enemies
Destroy 2000 Smasher enemies
Level 9 Completed
Destroy 2500 enemies using the bomb launcher weapon
Destroy 100 Snake enemies
Level 8 Completed
Destroy 2500 enemies with the standard weapon
Level 7 Completed
Destroy 2500 enemies using missiles
Destroy 100 Bull enemies
Level 6 Completed
Destroy 10000 enemies
Destroy 2500 enemies with the shotgun
Level 5 Complete
Reach 1,000,000 points accummulated
Level 4 Completed
Destroy 100 Shield bearer enemies
Destroy 2500 enemies with the machine gun
Destroy 2500 enemies
Successfully finished the third world of the game
You successfully finished the second world of the game
Destroy 500 enemies
You successfully finished the first world of the game