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