Once In A Lifetime Walkthrough

Welcome to our Once in a Lifetime Walkthrough, a comprehensive guide that will take you through the game’s various versions and endings.

From Version 0.1 to Version 1.0, we’ve got you covered with all the answers, choices, and codes you need to unlock every scene and event with the available characters.

In this post, we’ll dive deep into the world of Once in a Lifetime, providing you with comprehensive guidelines to conquer the game successfully.


READ: Rooms And Exits Walkthrough (Full Guide)

By the end of this walkthrough, you’ll be equipped with the knowledge to make an informed decision about whether the Once in a Lifetime Game is the right fit for you. So, buckle up, and let’s dive into the Once in a Lifetime Walkthrough!

About The Game – Once In a Lifetime

Once in a Lifetime is a captivating lewd visual novel game that delivers an immersive and exciting experience. With its compelling storyline and well-developed characters, players are taken on a thrilling journey filled with twists and turns.

The game seamlessly blends humor, pop culture references, and the potential end of the world, creating a unique and engaging narrative. The choices you make throughout the game have a genuine impact, adding depth and replayability.

While the visuals may not be the absolute best, Once in a Lifetime still manages to offer appealing character renders and animated scenes that enhance the overall experience. Dive into this unforgettable adventure and indulge in its enticing content.


READ: University Of Problems Guide (Updated)

Once in a Lifetime Walkthrough: Version 0.1 – 1.0

Once in a Lifetime Walkthrough ~ V0.1

  • Submissive or sarcastic (no effect)
  • Help Lauren
  • Trivia: 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, 3rd or 4th choice
  • Sure
  • Of course not. Can you make me 6 of them to take away?
  • Aristotle
  • I’m sure there are lots of different feelings coming up
  • On you, everything looks good
  • Clean the bathroom
  • Fight: Dodge, Attack, Block right, Block top, Parry top, Counterattack, Dodge, Parry Left, Counterattack, Dodge, Attack
  • Park: Go down a few steps before jumping, Go through the tunnel, Try to pass very fast, Do 3 sets of 5 reps, and Try to go over the blue structure
  • Make a final effort and win the race

READ: Treasure Of Nadia Walkthrough (Full Guide)

Once in a Lifetime Walkthrough ~ V0.2

  • Password: is one of these numbers ~ 140, 215, 280, 370, 595, 655, 710, 770, 940. Start with 595.
  • Ok, let’s do it. Shoot
  • Pool Questions: Only these answers have an effect
    • My sister
    • Black (+ Lauren) or Chestnut brown (+ Judie)
  • Say nothing
  • Go find her
  • Seems like a good job for him
  • Questions: Your choices until ~ A Painter ~ You told me a while ago
  • You look even more beautiful than before
  • Nightmare: Door 3, Red, back through the white door, Red & Red

Once in a Lifetime Walkthrough ~ V0.3

  • Look ~ I like to look at pretty things
  • If it helps you out, I could teach you how to kiss ~ Warn her
  • Maze: I’ll take right ~ Right ~ Straight ~ Right
  • Look confident
  • Trivia: Fulminated mercury, Ricin & Methylamine
  • Tell her everything
  • I was awfully sick
  • Hide inside one of the lockers
  • Pay attention first ~ Go upstairs without making noise

Once in a Lifetime Walkthrough ~ V0.4

  • Go shirtless. Take a shower later
  • Touch A ~ Don’t push it
  • Take it with you
  • Check out Jasmine’s scores ~ Switch essays with Fat Jack
  • Treat her like a queen
  • Attempt to befriend him
  • First Floor: Tom’s numbers are 2, 5 & 6
  • Second Floor: Re-spin the bottle ~ Reveal who you are
  • Mr Alabi’s office ~ Answer the phone

Once in a Lifetime Walkthrough ~ V0.5

  • Nice bra, by the way
  • Carla & Judie: leave the mysterious man until the end
    • Judie: Go see what James is doing
    • Carla: Yes, it’s me, Paul ~ Look at his e-mail
  • Carla Scene:
    • Do you still feel aroused when you’re
    • Actually, I’ve already talked to him
    • On social media. And I’ve told him everything
    • You should have *** with him
  • Go to her room
  • I understand
  • Use it in both
  • Massage: Back, Legs, back, Lower back, legs, A, P
  • Carry it yourself
  • Hospital: Explore all the rooms, because you have to find 5 numbers
    • Lauren: • I won’t let anything bad happen to you
    • Code: 32084
    • Come back for her
  • Buy her flowers

Once in a Lifetime Walkthrough ~ V0.6

  • Keep peeking
  • Suggest taking a shower together ~ Offer to soap her back
  • Jeremy


  • Prison:
    • 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
  • Let him come with you
  • I missed you
  • Pool changing room
  • Let her sleep
  • Assume all responsibilities alone.
  • Ask her


  • Gameshow:
    • POPULAR JURY: You can’t win
    • GET YOUR GUIDEBOOK: East Timor, Mutsuhito
    • KING OF THE RING: You can’t win
    • THE MENTALIST: Carla
    • THE PRICE IS GOD DAMN RIGHT: $230.000, $0, $200.000, Fu*king priceless
  • Use the free pass now

Once in a Lifetime Walkthrough ~ V0.7

  • Accept his offer
  • Cabin 7: Earn 1 point with the girl of your choice
  • Move to the next car
  • Move to the next car
  • Hide in a cabin from this car
  • Keep going
  • Warn her about them


  • Day 1:
    • Docks
    • Ramen: I’d like you better without it
    • Docks
    • Dojo: Any
  • Day 2:
    • Dojo
    • Docks
    • City: Be rude ~ Refuse ~ Accuse Slaughter clan
  • Day 3:
    • Dojo
    • Temple: Go with her
    • Questions: No effect
    • Hot Spring: Insult the woman
  • Day 4:
    • Hotel: Go to the festival with Judie
    • Town Square
    • Docks
    • Ramen: her personality
    • Cemetery: Playing a competitive videogame, iris, Watching TV…, Brave, Me
    • Town Square: Yes
    • Azazel: Try to grab the gun ~ Shoot

Once in a Lifetime Walkthrough ~ V0.8

  • Invite her to go back to Mistbury with you
  • Write a good review
  • do it
  • I love you
  • Go say something
  • Horn in on their conversation
  • Offer to put sunscreen on her back
  • Help her
  • Sp….
  • Marine biology ~ Fish
  • Yes
  • Yes
  • Look for another one 3 times
  • That’s correct
  • Apothecary: Buy embers moan (2nd) and Angel’s breath (4th) ~ refuse
  • Church
  • Tavern: Damn, that waitress is so pushy, isn’t she? ~ Choose Judie or Lauren
  • You can sleep in my room if you want
  • Do it
  • Let her continue

Once in a Lifetime Walkthrough ~ V0.9

  • A butterfly
  • Go save the girls
  • Distract Magnus so that she can escape
  • Your choice: No effect
  • Go find her ~ Yes
  • We’ll have a cosplay party
  • I’ll go
  • Give them to her yourself
  • Make a move
  • Be supportive
  • Once, in a public bath place
  • Give Jasmine a kiss & ‘flash your b
  • Accept
  • It’s true
  • Tell her about your plans


SAVE, there are 4 possible endings:


  1. Choose one girl ~ single Ending
  2. Leave no one behind ~ multi ending
  3. Kill Asmodeus ~ good ending
  4. Don’t Kill Him ~ bad ending

Once in a Lifetime Walkthrough ~ V1.0

  • Check on Carla, Lauren & Judie
  • I love you (Carla in the car)
  • Talk to the guest who’s sitting ~ Talk to the pianist ~ Evangelion
  • Give Rebecca a final goodbye
  • Of course
  • Ask Jack for help
  • An…scene
  • Ask for Stabby Mike’s help
  • Hotel movie night: Choose Zack Snyder’s Justice leage or Shrek
  • Confront Astaroth
  • Refuse


SAVE, there are 4 possible endings:

  • Stabby Mike has to be recruited for the final battle ~ Best Ending
  • If Mike is not there ~ Solo ending
  • If you go back through the sewers or you grabbed the Grimoire at the mansion ~ Prison ending
  • If you accept Astaroth’s power and didn’t grab the Grimoire at the mansion ~ Astaroth’s ending
  • If you betrayed Mike at the Yakuza meeting or didn’t shoot Asmodeus ~ Cemetery ending
  • If you complete the game without following any of the girls’ paths ~ Secret ending

In Conclusion

Once in a Lifetime Walkthrough is an absolute gem for lewd visual novel lovers. It ticks all the right boxes, delivering a fun-filled story, engaging characters, and choices that truly matter.

The game’s quirky narrative, sprinkled with pop culture references, will keep you entertained as you navigate through a wild adventure of cults, world-saving missions, and steamy encounters.


While the visuals may not be the absolute pinnacle, they still offer fantastic character renders and animated scenes to satisfy your desires. And I find the game visually appealing, with its stunning character.

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