Have a score of at least 10k before you beat the game
Have a score of at least 25k before you beat the game
Have a score of at least 50k before you beat the game
Have a score of at least 75k before you beat the game
Have a score of at least 100k before you beat the game
Reach the first tank without turning back or dying
Using the very first Tank you can get reach the furthest point without losing it or exiting from it
Raise your score at least 50 times without spending any ammunition
[Ending] Rescue Colonel Cook
[Ending] Rescue Colonel Cook for a 2nd time in a row
Reach the original hi-score of 60k without losing any life on the first playthrough
Complete the game without using any tank vehicle
Finish the game with at least 5 remaining lives
Finish the game without using the toggle button
Finish the game in less than 18 minutes