Use the tv and unplug it
Take out grandpas teeth
Use teeth on fishbowl
Go through the right door

Click on your draws
Click on the matchbox, scissors, measuring tap and sweet
Pick up the bug
Pick up feather duster, right of bed
Click on bed - use feather duster on bug
Under the draws are exposed wires, touch for a 3rd bug
Try to leave the room
Feed the spider your bugs
Pick up its eye from under the window

Jessy C Delight
Eat an eye

Now leave the room
Go under the unlit chandelier and click on it
Move to the left twice, then click on the window
Don't do anything until a face appears

She Is Coming
Witness a secret face

Pick up a glass shard
Use the chandelier to move left twice again
Pick up a key behind the key painting
Walk left and into the hand Death 1/20

First Blood
Die for the 1st time

Return to the start and use your key
Pick up oil can
Return to the left
Use the oil and glass on the suit of armor
Summon the arm
Get in the suit and chop off the arm
You can now leave

Pick up the fishbowl and use on grandpa
Jump on chandelier then click above it
Climb up to the hole

Pick up stick, egg and basket
Use stick then egg on tree above
Pick up tennis ball by grandpa
Use ball on dog
Go to the well and use the basket
Scoop up the ball and hand it back to the dog
Repeat if needed

For this next part, put your computer near to midnight
Head over to the grandfather clock and wait until a ghost appears

Mother I Miss You
Met our mother

Take the knife from the table
Stick your hand in the burger
Head to the right and let the chicken kill you Death 2/20
Lift of the platter lid next to us
Take eggs from the fridge
Use knife on the top row strings, then click it twice for maggots
Trigger the chicken and hide under the pig head
When the chicken is past us, attach your body
To the right of the room is a bin you can hide in also
Head over to the cupboard left of the oven
Pick up matchbox
Take flour right of oven
Use flour, eggs and maggot on the oven
Turn both knobs and use matches on the gas
When done open the oven and hide
Now eat the chicken

Headless Chicken Defeated
Story achievement

Now head left but don't go to the bathroom Death 3/20

Nice To Poo You
Didn't make it to the toilet

Repeat the end of the boss again but go to the bathroom
Use the sink and the top left valve
Use the toilet and flush - don't press anything Death 4/20
This time button mash to survive 3x
Click the air freshener on the left and flush again
Pick up the pipe and use it where the water is spewing
Use the right valve next and the faucet
Survive another attack and click the button next to the sink
Now walk to the fan

Click on the left tree's hole
Chase the turnips until its eaten by the bottom right monster
You will need to do this multiple times until its sweating
Once its sweating click on it
Now enter the hole and chase the worm until its eaten

Head right then left into the worms Death 5/20
Swim away from the worms this time and keep heading right Death 6/20
Swim into the submarine this time and activate the lever
Head back right
You need to make the worm follow you and hide in the clam when its close
Go left and enter the fish
Swim to the top and left
There will be an opening with worms and something to click

Plumber Remains
Find some hidden remains

Now just go down the death hole, be very careful
When you finish the route you will enter the boss room

Take the top left pathway
Pick up the snail at the end
Get the worms to follow and go bottom left
Open the latch to kill the worms and use your snail
Pick it back up and feed it to the blobfish
Now go back up and use that grape barrel
Kick the mine into the bosses eye
Back where we got the snail, press the glowing button

Drunken Earthworm Defeated
Story achievement

Get the worms to follow you again and kill them by the eel
Die and repeat this process until you unlock the achievement

Tasty Larvae
Kill a lot of worms

Now we can leave the room which was blocked by the boss

Click on the firefly
Pick up the watering can
Use it on the faucet to the right then the plant

Drop down and die to the spider Death 7/20
This time drop onto the spider
Go onto the ceiling and let the acid hit you Death 8/20
Repeat but with the dog Death 9/20
Pick up the faucet
Have the acid hit the cobweb holding the barrel
Attach the faucet onto the barrel
On the right side make the bath drop
Pick up the watering can
Use it on the barrel, then the plant

Get tape from medkit
Use the lightswitch above
Move bulb boy and fix the broken wire
Now move the bugs to the new light
Move bulb boy to light up the next part
Pick up the tape
Move bulb boy to the left for Death 10/20
Repeat with dog Death 11/20
Bark at the boss and have it eat the bugs
Using Bulb boy tape up the tubing
Pick up the plug on the far left
Go back to where we fixed the tubing and plug it in
Make sure to switch it on and go left
Reconnect with your body and click on the boss

Snotty Bunny Defeated
Story Achievement

Enter the door for the final boss
Click on grandpa
Push the nail into the boss
Go above to enter its mouth
Get crushed by the teeth Death 12/20
Avoid them this time and get blown to the top
Use the 1st blow hole Death 13/20
Use the 3rd blow hole Death 14/20
Use the 2nd blow hole and role into the 4th hole
Lick the part and don't move Death 15/20
Move away from the fire but let it eat you instead Death 16/20
Now avoid its attacks

Enter the mouth again going down instead of up
Enter the heart door and into the gas Death 17/20
Go past the door and go left of the poo sign
Avoid the poo for Death 18/20
This time don't avoid it
Use the tube at the end
Get sucked up by the monster again Death 19/20
By this point I got the death achievement and dont know what I died at for the 20th to be activated. It is apparently a buggy achievement on console though and also unlocked here

All Faces Of Death
Experience 20 unique deaths

Avoid the attack and reenter the boss again
To avoid the teeth (top), 2 4 4 6 6 finish
Now go back to the poo area and go right
Fall into the acid if you need more deaths Death 20/20
Take the sausage from the ear
Work your way across the acid pond onto the pill

Avoid and reenter
To avoid the teeth (top) 1 3 4 5 6 6 7 finish
Now enter the heart door and click the heart
For another death let it spit in your mouth Death 21/20
Now keep hitting the boss avoiding its attack

Eternal Light
Story achievement

For the final chance at death let grandpa choke Death 22/20