Here is the full list of all 39 Killer Queen Black achievements.
Complete the tutorial
Play 10 matches
Play an entire game without dying
Play an entire match without dying
Get a kill
Get 1000 kills as a soldier
Win a match
Throw a berry into a hive hole
Deposit 100 berries
Deposit 500 berries
Ride the snail into the finish line
Kill the enemy queen on her last life
Get 100 kills as a soldier
Get placed in Ranked mode
Achieve Silver Rank
Achieve Gold Rank
Achieve Platinum Rank
Achieve Obsidian Rank
Headshot the enemy queen in front of the moon on Split Juniper on her last life
Play 10 hours as Queen
Play 10 hours as a soldier
Play 10 hours as a worker
Win a game with your entire team in the end hex
End a game with all players in the end hex
Kill the enemy queen three times in one game without dying
Ride the snail all the way without jumping off or being killed
Hit the enemy queen in the head with a laser shot on her last life
Win an economic victory entirely by throw-ins
Kill the enemy queen in front of the moon on Split Juniper to win the game
10,000 pixels travelled riding the snail
24,901 pixels travelled riding the snail
Play an online game with 4 people on one team locally
Join a party or invite a friend to your party
Watch the Credits
Deposit 30 or more berries in a match
Win a match with 3 economic victories
Win a match with 3 snail victories
Win a match with 3 military victories
Win a match with one of each victory condition