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