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