Here is the full list of all 18 Infernal Racket achievements.
Beat the game once.
Beat the game, then die at max level (L9).
Beat the game, then die with at least 8 health containers.
Kill the Spirit of Glass while you have The Murderator active.
Beat Joe's all-time high score of $3,621,675.
Get 175% or higher completion on any one level.
Use Cannibalize to heal at least 4 health in a single run.
Defeat the Legendary Diamond while at full health.
Kill the Spirit of Glass twice in a single run.
Break 100,000 objects.
Break 250,000 objects.
Break 1,000,000 objects.
Traverse at least 40 stages in a single run.
Cause at least $1,000,000 worth of damage in a single run.
Get 200% completion on any level.
Complete a level without breaking anything.
Beat Nightmare Mode.
Activate Berserk 10 times in one run!