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