Here is the full list of all 52 Streets of Rogue achievements.
Unlock playable character
Give someone a Cyanide Cocktail
Kill the Killer Robot
Win an Arena fight
Electrocute someone in water
Enslave a Slavemaster
Kill everyone in a level
Kill a Vampire while playing a Werewolf
Kill someone by throwing a Gravestone at them
Nicely ask an NPC to leave a level
Find the Alien
Make a Refrigerator "Run"
Have four status effects at once
Create a custom character
Find the Bad Ending
Fall off the edge of the map
Complete any Big Quest
Unlock elevator access
Complete Mayor Village
Neutralize Mayor
Complete Uptown
Complete Downtown
Complete Park
Complete Industrial
Complete Slums
Complete any floor
Complete tutorial
Win Election
Win without winning election or neutralizing Mayor
Poison a water body with Resurrection Shampoo