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