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