Here is the full list of all 17 Gurney to Gurney achievements.
Destroy 1000 enemies.
Destroy 500 enemies.
Defeated enemies 25 times
Destroy 100 enemies.
Already 10 wins
You have purchased 10 upgrades
You have purchased 5 upgrades
You purchased your first upgrade
Destroy 50 enemies.
You have 5 wins
Destroy 10 enemies.
Destroy 5 enemies.
Your first victory
Destroy 1 enemy.
Half way
You have 75 wins
You completed the game