Addicted
20Spend all your money gambling.
Complete a floor without jumping.
Bouncer
20Beat any mode with Bouncer.
Bowie
20Beat any mode with David Bowie.
Child Abuse
20Kill Dahlia.
Chosen One
20Kill a Tenchi while it's invisible.
Beat hardcore mode going into every room.
Dynomite
20Beat any mode with Dy-no-mite!.
Get every item.
Frugal
20Beat hardcore mode without spending money.
Genocidal
20Kill 1000 Jimbaabwehs.
Gilead
20Beat any mode with Gilead.
Good Start
20Complete a room without taking damage.
Gorton
20Beat any mode with Gorton.
Beat any mode in under 15 minutes.
Heavy Hitter
20Beat 4 floors in a row using only melee attacks.
Heh Heh Heh
20Have 69 bombs.
Beat Hardcore mode with all 8 characters.
Moneybags
20Have 1000 coin dollars.
Kill every boss.
Nazi Hell
20Beat the fourth floor.
Nazi Killer
20Beat the sixth floor.
Night Vision
20Survive a dark floor.
Let a boss die to poison.
Use every item.
OP
20Have 30 items at once.
Pacifist
20Complete a room without attacking.
Padded
20Have more armor than health.
ParaNUT
120Get every achievement.
Picky Eater
20Beat any mode without taking ANY items.
Progress
20Beat the second floor.
Redial
20Get two ghosts at once.
Beat Hardcore mode 10 times.
Sure Footing
20Complete a hole floor without falling in.
Tank
20Beat any mode with Tank.
Figure out how to get to the 8th floor.
Too Easy
20Win a Dahlia fight without taking damage.
Tough Guy
20Kill 100 Gileads.
True Victory
20Beat Hardcore mode.
Kill Dahlia after she spawns every set of enemies. Twice.
Tyrus
20Run out of superweapon ammo.
Fall into a hole in a hole floor.
Untouchable
20Complete a floor without taking damage.
Victory!
20Beat normal mode.
Get a ghost and survive the floor.