Here is the full list of all 40 Lakeview Cabin Collection achievements.
Get rid of the weird smelly stains
Beat Lakeview Cabin VI with everyone alive and 10 NPCs saved.
Beat all four episodes
Get a score of 50000 in "Space Psychos"
Drink all the beer you can find
Wear all five masks at the same time
Redemption
Save at least 15 crew members
Get a score of 50 in "Super Dad"
Sympathy
Tragedy
Collect 5 bags of gold
Kill 30 zombies in one run
Get three of your friends to "return"
Defeat the sewer monster
Beat the Minisode "Last Christmas"
Beat Lakeview Cabin IV with everyone alive
Save the poor soul
Open all the secret doors in one game
Drop the windvane on an enemy
Burn the enemy to crisp.
Finish the game with everyone missing a leg
Collect all records
Hack up your friends
Kill the barn inhabitant
Get to the attic without raising the alarm.
Beat Lakeview Cabin III with everyone alive
See the family portrait
Get the dog to survive till the end
Push the bed to the limit
Throw a friend into the woodchipper