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