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