Here is the full list of all 29 Bombslinger achievements.
Bring a Bomb to a Goat Fight
Get a flaming goat to defeat an enemy by pushing a bomb.
Burn Ash Burnham down to the ground.
Keep your gold from Roscoe Copperpot.
Survive the fight with El Skullo Calavera.
Put an end to your story with 'Bertha.
Send the Dark Shaman back to where he belongs.
If you look hard enough, you might find something interesting.
Complete the game without resurrecting.
Blast 4 enemies in a combo.
Hold 5000$ at one time.
Defeat all the bosses at least once.
Have mercy on your ultimate foe.
Have no mercy on your ultimate foe.
Blast 3 enemies with a nuclear bomb at one time.
Defeat 25 enemies using guns.
Hold the jump, roll and camouflage items at one time.
Hold the Double Shot and Quick Shot items at one time.
Hold 7 keys at one time.
Blast 3 enemies with one moonshine bomb.
Beat the game without getting hit by your own bombs.
Blow up a chain of 10 barrels.
Block an enemy in between two bombs.
Complete the game with no upgrades to the bomb and flame counts.
Max out your luck.
Max out your spirit regeneration.
Beat the game in less than 45 minutes.
Defeat 250 enemies.
Hold 5 bombs and 5 flames at one time.