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