Here is the full list of all 31 Mad Bullets achievements.
Reach level 20!
Reach level 12!
Shoot 300 piranhas!
Don't let enemies escape for 3 minutes!
Complete 7 daily goals!
Purchase all upgrades!
Shoot all kinds of objects at least once!
Shoot 150 ninjas!
Fire your gun 1000 times in a single round!
Avoid injuries in the first 5 minutes of a single round!
Shoot 100 iron bandits!
Shoot 75 pieces of underwear!
Complete 30 goals!
Shoot 1000 most wanted posters!
Reach level 6!
Return to the village after paying a visit to every scene in a single round.
Shoot 50 sacks in a single round!
Shoot 50 bathtubs!
Shoot 50 bullets right in front of your face!
Survive the rocky area without losing any badges!
Complete all dangerous areas without losing a badge!
Visit all scenes at least once!
Survive the Mexican area without losing any badges!
Keep earning score for 2 minutes without stopping firing for more than 3 seconds!
Shoot 50 enemies in a row before they shoot!
Shoot all bandits at least once!
Shoot 500 bandits!
Die within the first 15 seconds of a single round!
Survive the village without losing any badges!
Spend money in the shop!
Reach level 2!