Here is the full list of all 17 LumbearJack achievements.
Complete "Birdie" with 7 hits
Spread lots of love
Throw garbage in the oven
Solve it in 9 moves
Slap all humans
Clear all the stages
Complete the whole game
Defeat Evil Works
Destroy all traps
Wear all the suits
Burn your own butt
Try to get out early
Complete "Ace" with 10 hits
Feed all the hens
You can't chop it down yet
Feed the rat
Hibernation is over