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