Once In a Lifetime Walkthrough

Welcome to Once in a lifetime Walkthrough, best choices to unlock all the events and scenes with all the available characters.

Table of Contents Show

VERSION 0.1 – Once in a lifetime Walkthrough

Confrontation with your father Be submissive: No effect

Be sarcastic: No effect

Tom and Lauren at school Help Lauren: Lauren +1 Mess with her: Lauren -2
Trivia at the library Correct answers:
- The fall of the Western Roman Empire
- Da Vinci
- Au
- Oxygen
- HyperText Transfer Protocol
- Alexander Fleming
- Albert Einstein
- The ear
- Canberra
- Cronos
- Tom Cruise

– 21

- Monaco

– 42

- Both the 3rd and 4th answer

Getting 14 or 15 points: Judie +2

Getting 7-13 points: Judie +1

Getting 0-6 points: Judie -1

Lauren asking to join

Sure: Lauren +1

I’d rather not: -2 (No scene)

Judie’s cheese sandwich

I’ve had better: Judie -1

Yeah, they are good: No effect

Of course not. Can you make me 6 of them to take away?: Judie +1

Alexander’s tutor

He had none: Rebecca -1 Leonidas: Rebecca -1

Aristotle: Rebecca +1

Achilles: Rebecca -1

Zeus: Rebecca -1

Pre-wedding jitters

Of course it is. Don’t worry, he is a great man: No effect

I’m sure there are lots of different feelings coming up: Rebecca +1

Maybe you shouldn’t marry him. You deserve better: Rebecca -1

Which one do you like better?

None: Judie -1

The first one: No effect The second one: No effect The third one: No effect

On you, everything looks good: Judie +1

Task Carla asked to do

Wash the dishes: Carla -1

Clean the bathroom: Carla +1

Do the laundry: Carla -1 Be happy: Carla -1

Fight

Dodge Attack Block right Block top Parry top

Counterattack Dodge

Parry left Counterattack (Repeat)

Park

Go down a few steps before jumping Go through the tunnel

Try to pass very fast Do 3 sets of 5 reps

Try to go over the blue structure: Lauren +1

Final sprint

Make a final effort and win the race: Lauren +1

Let her win: Lauren -1

VERSION 0.2 – Once in a lifetime Walkthrough

Password PC basement

Binary search, but it will always be a random number between the following:

140, 215, 280, 370, 595, 655, 710, 770, 940

Guess the code: Judie +1

Give up and ask for help from Judie: Judie -1

“Would you rather” at the pool

Ok, let’s do it. Shoot: Playing the game

I’ll pass: Judie -1

Answering the questions have no effect other than showing the % of the people who chose the same answer, except for the next questions:

My mom: No effect

My sister: Lauren +1, Judie +1

Blonde: No effect Black: Lauren +1 Red: No effect

Chestnut Brown: Judie +1

Rubbing scene

*This will only trigger if you have 5 or more points with Judie at this point Ask her if she is okay: No scene

Say nothing: Judie +1 and extra scene

Rebecca’s apartment

Go out and ring the bell again: No scene

Go find her: Shower scene

My boyfriend is an interior designer

Good for him. You must be proud of him: No effect That carpet is divine: No effect

Yes, that couch is beautiful, but not as beautiful as you: No effect

Seems like a good job for him: Rebecca +1

“Which historical figure are you?”

No effect on Rebecca’s points. Just for fun :]

Depending on your answers, you can get Hitler, Gandhi, Napoleon, Darwin, Aristotle, Leonardo da Vinci, Michelangelo or Joan Of Arc.

I bet you can’t guess what I got!

A musician: No effect

A painter: How did you know it was a painter?

You told me a while ago: Rebecca +1 I saw a canvas on the balcony: No effect David told me: No effect

A warlord: Rebecca -1

Carla is back

You look even more beautiful than before: Carla +1

Thank god you’re back, we don’t know how the washing machine works: Carla -1 What’s the big deal? Were you gone?: Carla -1

So.. what’s for dinner?: Carla -1

Nightmare

There’s no “Game over” screen, although you’ll probably have to run around. The direct route would be:

Door 3 Red door

Get back through the white door Red door

Red door

VERSION 0.3 – Once in a lifetime Walkthrough

Judie changing
- Look:

Me? I didn’t: No effect

I like to look at pretty things: Judie +1

- Don’t look: No effect
Handjob scene

If it helps you out, I could teach you how to kiss…

* If you saw the rubbing scene at the pool, you’ll see the handjob scene

Warn her before cumming: Judie +1

Don’t warn her: Judie -1

We should go to sleep: End of the scene

Maze

Direct route:

I’ll take the right

Right Straight Right

Church

Look confident: Judie +1

Appear panicked: Judie -1

Breaking bad trivia

Fulminated mercury Ricin

Methylamine

3/3 correct: Lauren +1

Lauren asking

Don’t tell her about the cult: Lauren -2 and end of the scene

Tell her everything: Lauren +1

Lauren naked scene

* This will only trigger if you have 6 or more points with Lauren at this point.

Rebecca asking

I was awfully sick. She stayed home to take care of me, like a good sister: Reb +1 Judie was possessed by a demon. I stayed home to take care of her: Reb -1

My grandma took the house keys and we

couldn’t get out: Reb -1

Our dog ate our uniforms: Reb -1

Locker room

Fake a cardiac arrest: End of the scene

Hide inside one of the lockers: Scene

*If you saw Lauren’s naked scene she’ll

get an invitation for Jasmine’s party

Getting home

Announce that the man of the house has arrived: End of the scene

Pay attention first:

* This will only trigger if you have 2 points with Carla Hello? Are you alright?: End of the scene

Go upstairs without making noise: Scene

VERSION 0.4 – Once in a lifetime Walkthrough

Morning

Take a shower and put some clothes on first: No effect

Go shirtless. Take a shower later: Carla +1

Carla in the kitchen

* You need 2 or more points with Carla and to have watched her dildo scene

Touch her ass: Carla +2 Grab her boobs: Carla -1 Don’t push it: No effect

Don’t push it: No effect

Love letter at Rebecca’s apartment

Leave the love letter on the table: No scene

Take it with you: Unlocks the extra scene

Rebecca’s laptop

Check out Jasmine’s scores:

You need to check this out in order to unlock Jasmine’s scene at her house Don’t touch anything:

Switch essays with Lauren: Rebecca +1 Lauren -1 Switch essays with Fat Jack: Rebecca +1 Switch essays with Tom: Rebecca -1

Blindfold scene

* You need to have chosen to take the letter with you Leave: No scene

Treat her like a queen: Scene

Lauren putting on her costume

* You need to have watched her naked scene

Security at Jasmine’s house

Pretend to be a big shot: You won’t be able to win Tom’s game

Attempt to befriend him: Chhay will help you later

Party

Take a look at the first floor: Lauren scene Take a look at the second floor: Judie scene

Take a look at the third floor: Gain access to the office.

Get into Mr. Alabi’s office: The story goes on

First floor

* If you befriended Chhay, he’ll tell you Tom’s numbers: 2, 5 and 6

Winning the game: Lauren +2

Second floor (blowjob scene)

Go with it: No scene

Re-spin the bottle:

Keep your identity: No scene

Reveal who you are: Scene and Judie +1

*You need 7 or more points with Judie and to have watched her handjob scene

Mr. Alabi’s office

Answer the phone: Scene.

* You need to have watched Jasmine’s scores at Rebecca’s laptop Don’t answer the phone: No scene

VERSION 0.5 – Once in a lifetime Walkthrough

Lauren ignoring you
- Ignore me if you agree to give me a blowjob: No effect
- Listen to me, you bitch!: Lauren -1

Nice bra, by the way: Lauren +1

Stalking Judie and Carla

You can do both things if you leave the mysterious man to the end

* To watch Carla’s one, you need to have watched her dildo scene

Judie’s date

Go see what James is doing: Judie +1

- Stop stalking and leave: End of Judie’s path
Carla’s psychologist

Yes, it’s me, Paul:

Test: Just for fun, 100% real and verified by real psychologists and the Vault-Tec Company.

Your results can be: Psychopath, Sex addict, Compliant or Leader.

- - Slip away: End of the scene

Look at his e-mail: Access to Carla’s scene later

- No, I’m sorry. You’re mistaking me for somebody else: End of Carla’s path
Asmodeus: “Are you the only one who know about us?”

No matters what you chose. He’s a smart motherfucker.

Carla’s hand-job H-scene

* You need to have chosen to look at Dr. Monroe’s e-mail and have 4 or more points Correct chat options: Do you still feel aroused when you’re around him?

Actually, I’ve already talked to him

On social media. And I’ve told him everything. You should have sex with him: Carla +2

Judie and Iris H-scene

Go to her room:

Judie: Judie +1
Iris: Judie -1 (No effect on Iris)
- Ignore: End of Iris’s path
Talking with Rebecca

I understand: Rebecca +1

- But… tell me the truth, you liked it: Rebecca -2
- But… I love you: No effect
Testing the spray

Use it in both to improve their lives. Be cool.

Lauren’s massage H-scene

Correct order: back, legs, back, lower back, legs, ass, pussy.

(If you try to go too fast 3 times: End of the massage)

* You need to have 9 or more points with Lauren to finger her

Carrying the gun

Carry it yourself: Judie +3

Give it to Judie: Judie +1 Give it to Lauren: Judie +2

St. Agustine’s Hospital
- Just keep exploring the building until you find all the numbers and then go back to the locked door.
Scared Lauren
- I’ve walked away from much worse, believe me: +0

I won’t let anything bad happen to you: Lauren +1

- I’ve seen you get out of many situations that seemed impossible. You can handle it: +0
- Direct route: West wing, Stairs, Second floor, Director’s office, Go back to the

first floor, Go back to the West Wing, Infectious Diseases.

Then, there’re numbers in the break room (2F), the director’s office again (2F), intensive care (2F) and Psychiatry passing through the Records Room first (East Wing).
UNIMMERSIVE route: Just type the CODE: 32084
- Escaping the hospital

Come back for her: Continues her path

Abandon her: End of Judie’s path
- Here’s an absolutely amazing and technically accurate map of the hospital I made in Paint:

Rebecca’s H-scene:

Buy her flowers: Rebecca +3

*After this, you need 9 or more points with Rebecca and to have watched her blindfold scene

- Give her some space to think: End of her path

VERSION 0.6 – Once in a lifetime Walkthrough

Peeking at Carla
- Stop peeking: Carla +0

Keep peeking: Carla +1

Shower with Judie H-scene
- Shower first: (End of the scene)
- Suggest taking a shower together: Judie +1 (You need 12 points with her)
Leave: (End of the scene)
Offer to soap her back: Judie +1 (You need 14 points with her)
- Let Judie shower first: Judie +1 (End of the scene)
Prison guard name

Jeremy: Lauren +1

- Jeffrey, Jimmy, Johnny, Jamie: Lauren -1
Prison’s yard
- I think it’s funnier if you watch the possible outcomes of every answer you choose.

There’s no “Game over” screen and there’s a checkpoint before each of the dialogues.

- The correct answers are:

Hey, can I talk to Calamity?

I see. I’m leaving then
Say nothing and leave
I’ve come to propose a trade
Whatever you want
We have a deal friend, thank you. You won’t regret it
Refuse
Soviets?
I love it
Prison break

Let him come with you: You recruit Mike as a new ally. DO IT!

- Leave him here: You’ll miss some affection points and scenes in the future.
Bus stop with Lauren
- It was a nightmare: Lauren +0

I missed you: Lauren +1

- I found the former Asmodeus. He’s insane: Lauren +0
- 6174, we have to remember that number: Lauren +0
Iris H-scene (You need to have watched her blowjob scene with her and Judie)

Pool changing room: Iris scene

Cum on her/Cum inside: No effect
- Girl’s locker room, classroom, study room: End of her path
Principal’s office

Let her sleep: Lauren +1

- Have a little grope: Lauren -2
- Assume all responsibilities alone: Lauren +3 (Unlocks Lauren’s H-scene)
- Remain silent: Lauren +0
Couch H-scene
- Carla (You need to have watched her handjob scene)
Ask her: Carla scene (You need 8 or more points with Carla)
Don’t ask her: End of her path
- Judie (You need to have watched her shower scene)
Gameshow

For maximum score:

- POPULAR JURY: You can’t win
- GET YOUR GUIDEBOOK: East Timor, Mutsuhito
- RAIN OF KNOWLEDGE: Judie
- THE TORTOISE AND THE HARE: Lauren
- KING OF THE RING: You can’t win
- THE MENTALIST: Carla
- THE PRICE IS GOD DAMN RIGHT: $230.000, $0, $200.000, Fucking priceless

Winning the contest: Carla +1, Lauren +1, Judie +1.

Losing the contest: Game over
Lauren H-scene (You need to have watched her massage scene in the attic)

Use the free pass now: Lauren scene

(You need 13 or more points with Lauren to massage her)
(You need 15 or more points with Lauren to have sex with her)
- Save the free pass for when you get back: End of her path

VERSION 0.7 – Once in a lifetime Walkthrough

Hairdresser (Cabin 2)

Accept his offer: Carla +1

- Refuse: No effect
Dealer (Cabin 7)
- Buy a necklace for Carla: Carla +1
- Buy a running watch for Lauren: Lauren +1
- Buy a manga comic for Judie: Judie +1
Running from Moloch
- Hide in a cabin from this car: He’ll catch you

Move to the next car (x3):

(You have to hide in the last car of the train, keep moving to the next car until it doesn’t

give you more options)

Keep going: H-scene

* You need to be following Jasmine’s path

Aiko

Warn her about them: Unlocks her path.

- Let it go: Ends her path.
Village:

You can “explore” the map, but the path is always guided enough (It’s not really an open map)

This would be the direct route:

DAY 1

Docks
Ramen house
- Meh: Judie -1
- I love it: Judie +1

I’d like you better without it: Judie +2

Docks
Dojo (If you warned Aiko at the train, this unlocks a scene with her at night)

DAY 2(3)

You can choose what to do first: Docks (story event) or Temple (Carla sex scene).

Dojo (2nd training)
Docks
City
- Be polite: No effect

Be rude: Lauren +1

- Sell him Lauren: If Orochi doesn’t get killed later, Game Over.

Refuse: Lauren +2

- Accuse Orochi clan: Orochi dies.
- Accuse Funtime clan: Orochi and Funtime die.
- Accuse Taoka clan: Taoka dies and you don’t get the information.
- Accuse Slaughter clan: Nobody dies.
- Accuse Stabby clan: Stabby Mike becomes your enemy.

DAY 3(2)

You can choose what to do first: Docks (story event) or Temple (Carla sex scene).

Dojo (3rd training)
Temple

Go with her: Carla +1 and unlocks H-scene.

- Stay in the village: End of the day.
- Midoriko questions: No effect. Some info may be useful in the future.

Hot spring (You need to have watched her blowjob scene)
- Listen to the woman and go back to the village: Carla -1, end of the scene
- Calm down the situation: Carla +0

Insult the woman: Carla +1

- Carla H-scene: (You need 14 or more points with her)
- Creampie/Pull out: Impregnated!

DAY 4

Hotel (You need to have watched Judie’s couch scene)

Go to the festival with Judie: Scene

- Don’t go: End of the day and her path.

Town square
Docks
Ramen house
- Her eyes
- Her slim figure
- Her ass

Her personality: Judie +1

Cemetery

Correct answers : Playing a competitive videogame

Iris

Watching Tv shows or playing video games Brave

- Guessing 5/5: Judie +1
- Guessing > 2/5: Judie +0
- Guessing < 1/5: Judie -1

Town square

Yes: Judie +1, unlocks H-scene.

- What do you mean?: No scene
- No: No scene and end of her path.
- Judie H-scene: (You need 21 or more points with her)

Azazel confrontation
- Tell him where the Grimoire is: You die.

Try to grab the gun:

- - If you sold Lauren to the Yakuza leader, there will be no gun. You die.

Shoot: Azazel dies.

- - - Don’t shoot: If you’re not following Aiko’s path, you die.

VERSION 0.8 – Once in a lifetime Walkthrough

Aiko

o Invite her to go back to Mistbury with you:

If you went to the dojo 3 times during your stay in Japan, she’ll come with you.

- Say goodbye: End of her path
Hiromi’s review

Write a good review: Judie +1, Lauren +1, Carla +1

- Do it later: No effect
- Write a bad review: Judie -1, Lauren -1, Carla -1
Public baths (If you have 19 or more points with Lauren, she’ll open the door)

Fuck her: Sex scene

- Leave: End of her path

I love you, Lauren: Lauren +1

- Say nothing: No effect
Oliver (If you’re following Lauren’s path)

Go say something: Lauren +1

- Don’t mess with anything: Oliver getting close to Lauren
David (If you’re following Rebecca’s path)

Horn in on their conversation: Rebecca +2

- Stay out of it: No effect
Oliver at the beach (If you’re following Lauren’s path)

Offer to put sunscreen on her back: Lauren +1

If you have 23 or more points with her, she’ll accept.

- Go to another side of the beach: No effect
- If you’re following Lauren, Judie, Iris and Jasmine paths, all of them will reject Oliver and he’ll start to lose his mind.
Rebecca at the beach (If you’re following Rebecca’s path)

Help her: Sex scene. Rebecca +2

- Go to the bus: End of her path

If you have 10 or more points with her, she’ll have sex with you too

Spank her: Rebecca +1

Principal’s questions (If you’re following Rebecca’s path)
- Marine Biology

Fish: Rebecca +1

- Geography

Germany: Rebecca +1

- History

Northumbria, Mercia and Wessex: Rebecca +1

- Sex education: No effect
Aiko road trip (If you’re following Aiko’s path)

Yes: She’ll come on the trip

- No: End of her path
Iris road trip (If you’re following Iris’ path)

Yes: She’ll come on the trip

- No: End of her path
Radio
- Leave it on this station: No effect

Look for another one 3 times: Lauren +1

Susanna’s hostel (If you’re following Lauren’s path)
- Oh, she’s not my girlfriend, she’s my sister: Lauren -1

That’s correct: Lauren +1

Investigating the town

Visit the apothecary

- Visit the church
- Ignore all that and go to the tavern:

Lauren -1, Judie -1. They’ll recover the key all by themselves.

Apothecary
- Buying products: You can only buy 2 of them.
Emerald Light: No effect

Embers Moan: Unlocks a Sex scene in the future.

Draught of harsh: No effect

Angel’s Breath: Man, this shit is strong.

- Take his hand: Possible bad ending

Refuse: Possible good ending

Church
- If you’re “following Mike’s path” he’ll help you and you’ll unlock an extra scene

recovering the key. If not, the girls will recover the key all by themselves.

Tavern
- Damn, that waitress is hot, isn’t she?: Lauren -1, Judie -1

Damn, that waitress is so pushy, isn’t she?: No effect

- What were we talking about?: Lauren -1, Judie -1
- Judie’s plan: Judie +1
Call the real police: The mayor lives
Give him a scare: The mayor dies
- Lauren’s plan: Lauren +1

(It’s worth watching both at least one time)

Saturday night (If you’re following Iris’ path)

You can sleep in my room, if you want: Judie +1

- Say nothing: End of Iris’ path

Fuck her: Sex scene

- Go to sleep: End of her path
Judie waking up (If you’re following Judie’s path)
- Stop her: End of the scene

Let her continue: Judie +2

If you have 22 or more points with her, she’ll accept.

VERSION 0.9 – Once in a lifetime Walkthrough

Magnus manor
- A heart: Lauren -1
- A rose: Lauren -1

A butterfly: Lauren +1

- The infinity symbol: Lauren -1

Go save the girls: Possible good ending

- Grab the Grimoire First: Possible bad ending
- Ask Judie for one last effort: Judie +0

Distract Magnus so that she can escape: Judie +3

Asmodeus phone call
- Tell him you have the Grimoire: No effect
- Hide the truth: No effect
Roadside Motel (If you’re following Aiko’s path)

Go find her: Sex scene

- Wait for her in the van: No scene and end of her path
- If you saw Judie and Iris threesome:

Yes: Sex scene

No: She’ll leave before having sex
Jasmine’s invitation
- If you’re following Jasmine’s and Lauren’s paths, you’ll go to her house at night.
- Come on Judie, don’t be childish: Judie -1
- We’ll be back soon: Judie +0

We’ll have a cosplay party: Judie +1

Lauren’s favour

I’ll go: Lauren +1 and Carla +1

- I won’t go: Lauren -1
Lingerie store (If you’re following Carla’s path)
- Leave the keys to the shop girl: No scene

Give them to her yourself: Sex scene

If you have 11 or more points with her, she’ll let you in.

Make a move: Sex scene

- Let it go: No scene

If you impregnated her: (If you’re not following the pregnancy route, Carla +3)

Be supportive: Carla +3

- Don’t be supportive: Carla -3
Jasmine’s party (If you’re following Jasmine’s and Lauren’s paths)

Once, in a public bath place: Lauren +1

- Once, on a train: No effect
- Once, in a hotel room: No effect
- Truth or dare

Select ‘give Jasmine a kiss’ and ‘flash your breasts’

Jump into the pool: No scene

(If you have 28 or more points with Lauren, she’ll propose one last dare)

Accept: Sex scene

- Refuse: No scene

It’s true: Lauren’s sex scene

- It’s not true: No scene

Tell her about your plans: Keep following Jasmine’s route

- Don’t tell her anything: End of her path
Final scene
- Choose one girl: Blocks all the other paths

Leave no one behind: Harem path

- Kill Asmodeus: Possible good ending
- Don’t kill him: Possible bad ending

VERSION 1.0 – Once in a lifetime Walkthrough

Friday morning

Check on Carla: Carla +1

- Check on Lauren: Lauren +1
- Check on Judie: Judie +1

(You can do all of them)

Carla in the car

I love you: Carla +2

- Thank you: Carla +1
- Say nothing: Carla +0
Chapel

Talk to the priest: He will stop David from interrupting you later

(If you grabbed the Grimoire in Magnus Manor, he won’t help you and you’ll lose Rebecca’s path.)
- Talk to the guests who are standing: Extra conversation lines

Talk to the guest who’s sitting:

Talk to the pianist:
- Leave the Wedding March: Rebecca +0

I’m Blue: Rebecca +2

- Evangelion: Rebecca +2
Bathroom

Give Rebecca a final goodbye: Sex scene & Rebecca +1

- Leave: End of her path
Wedding

(Rebecca won’t marry David if you have 15 or more points with her)

Cafeteria

Of course!: Sex scene & Judie +1

- I can’t. I’m busy: No scene & Judie -1
Hot tub
- If you didn’t use the spray with Fat Jack: No scene

If you used the spray with Fat Jack:

Ask Jack for help: Sex scene
Let Aiko continue: End of the scene
Iris’ house

Anal: Optional anal scene & Judie +1

- End scene: End of the scene.
Saturday Morning

(You must have released Mike from prison)

Ask for Stabby Mike’s help: Possible good ending

- Don’t get any help: No harem ending
Hotel movie night
- Dragon ball Evolution: End of the scene
- DC Justice League: End of the scene

Zack Snyder’s Justice League: Sex scene

- The Human Centipede 3: End of the scene

Shrek: Sex scene

“Final battle”
- Go back through the sewers: Bad ending

Confront Astaroth: Good ending

Final choice
- Accept: Bad ending

Refuse: Good ending

POSSIBLE ENDINGS

Harem ending: Stabby Mike has to be recruited for the final battle.

“Solo” ending: If Mike is not there, the other pilot will force you to choose one girl.
Prison ending: If you go back through the sewers or you grabbed the Grimoire at the mansion.
Astaroth ending: If you accept Astaroth’s power and didn’t grab the Grimoire at the mansion.
Cemetery ending: If you betrayed Mike at the Yakuza meeting or didn’t shoot Asmodeus.
Secret ending: If you complete the game without following any of the girls’ paths