Here is the full list of all 26 Kalaban achievements.
Keep on clicking the outhouse
Finish the game
Save your boss
Build the flamethrower
You've discovered the mysterious fungus
You've saved the two guys at the junkyard
Spare his life
Kill the huge tree monster
Maybe that was not wise
Drink all the beer and whiskey you can
Kill an enemy with the explosion of a Blow-up
Find that certain gun
Tamper with the plant computer
Reunite the sisters
Complete the bartender's quest
Sometimes you just need something to get through the day
Kill 100 enemies
Find the bag of something
Start the generator
Why would there be keys in a locked car?
You died
Find an apple
Visit the sauna
Find the keys to the big house
Find the flashlight
Get your first armor