This is a detailed guide as I wanted to lay out ALL the decisions necessary to find the different endings. This also has the two codes necessary to proceed in the game.

All of these endings list out every decision from my own personal playthrough's. As long as you follow this guide exactly or the main points mentioned at that start for each ending you should end up with the same achievements.

To complete this path Ted needs to be Warm, Competent, and not kill Maggie.

-Enter through the vent
-Tell the truth
-Why cant we go together
-Give her the keys
-Don't kill Maggie
-What is this place?
-Thanks for rescuing me
-It's not nice to be alone
-Choose to look for logs
-Pass the QTE for lighting the fire
-Make a joke
-That's okay (when talking about Diego's past)
-Leave the guitar
-Try on the glasses
-It still freaks me out
-You're little
-I agree (Agree with Diego)
-But I wouldn't do that to you
-Pass the dancing QTE
-What happened to Mia?

To complete this path Ted needs to be Warm, Incompetent, and not kill Maggie.

-Enter through the vent
-Tell the truth
-Why cant we go together
-Give her the keys
-Don't kill Maggie
-How did you patch me up
-Thanks for rescuing me
-Strength in numbers
-Choose to look for logs
-Fail the QTE for lighting the fire
-Make a joke
-That's okay (when talking about Diego's past)
-Save the guitar
-Try on the glasses
-It still freaks me out
-Is the car big enough?
-I think it can (Disagree with Diego)
-But I wouldn't do that to you
-Fail the dancing QTE
-What happened to Mia?

To complete this path Ted needs to be Cold, Competent, and not kill Maggie.

-Enter through the vent
-Tell the truth
-Then I need to leave too
-Threaten
-Don't kill Maggie
-What is this place
-That's a cool name
-Strength in numbers
-Choose to look for food --> Kill the bird
-Pass the QTE for lighting the fire
-Gibbons are apes actually
-Come on, tell me (when talking about Diego's past)
-Leave the guitar
-Don't try on the glasses
-You should be used to it
-Is the car big enough?
-I agree (Agree with Diego)
-Get over it
-You can go f yourself

To complete this path Ted needs to be Cold, Incompetent, and not kill Maggie.

-Shoot the glass door
-Lie to Mia
-Then I need to leave too
-Give them the keys
-Don't kill Maggie
-Why did you patch me up
-Thanks for rescuing me
-Strength in numbers
-Choose to look for logs
-Fail the QTE for lighting the fire
-Gibbons are apes actually
-Come on, tell me (when talking about Diego's past)
-Leave the guitar
-Try on the glasses
-You should be used to it
-Is the car big enough?
-I think it can (Disagree with Diego)
-Get over it
-You can go f yourself

To complete this path Ted needs to be Cold, Competent, and kill Maggie.

-Shoot glass door
-Tell the truth
-Then I need to leave too
-Give them the keys
-Kill Maggie
-Why did you patch me up
-I shot one of them
-That's s cool name
-Strength in numbers
-Choose to look for logs
-Fail the QTE for lighting the fire
-Gibbons are apes actually
-Come on, tell me (when talking about Diego's past)
-Leave the guitar
-Try on the glasses
-You should be used to it
-You're little
-I think they can (Disagree with Diego)
-She deserved it
-Get over it
-This isn't fair

To complete this path Ted needs to be Warm, Incompetent, and kill Maggie.

-Enter through the vent
-Lie
-Then I need to leave too
-Give her the keys
-Kill Maggie
-What is this place?
-I shot one of them
-Thanks for rescuing me
-It's not nice to be alone
-Choose to look for food
-Fail the QTE for lighting the fire
-Make a joke
-That's okay (when talking about Diego's past)
-Save the guitar
-Don't try on the glasses
-It still freaks me out
-You're little
-I think it can (Disagree with Diego)
-I regret what I did
-But I wouldn't do that to you
-This isn't fair

You have to go through a full playthough without killing Maggie, Mia, Diego and the crow.

You can do this while simultaneously getting the Happy Ever After or the Himbo ending.

There are two parts of the game that require a door code.

The first is in the Furniture store while trying to gain access to the back room. This code is 1729.

The second is in the high school while trying to get into the power room. this code is 0501.