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