Here is the full list of all 17 Heavy Bullets achievements.
USE RITUAL BLADE 10 TIMES IN A RUN
UPGRADE EVERYTHING
BEAT THE GAME IN UNDER 25 MINS
GET BACK AT LEAST $200 WITH LAST WILL OR LIFE INSURANCE
REACH MAX HEALTH
BEAT TURRET BOSS WHILE WEARING HIGH HEELS
BEAT THE GAME, MAKE NO WITHDRAWS
FIND BOOMBOX
$10,000 IN THE BANK ACCOUNT
BEAT THE GAME
REACH LEVEL 8
SELL A HEAVY ORE
REACH LEVEL 5
KILL A SNAKE WITH A KNIFE
OPEN A SECRET DOOR
REACH LEVEL 2
DIE