Honkai: Star Rail All Stickers in Dreamscape Pass (Part 1)

Aventurine: Unlocked by Default

Robin: Unlocked by Default

Sunday: Unlocked by Default

Acheron: Obtained by progressing the Trailblaze Mission

Dr. Ratio: Find your Landing Point in the Dreamscape.
Go to Golden Hour and interact with a floating book.

Sparkle: After everything has concluded, return to where you were pranked by the Fool.
Go to A Child's Dream and interact with a floating book.

Gallagher: After everything has concluded, return to where you encountered the young maiden by chance.
Go to Golden Hour and interact with a floating book.

Firefly: After everything has concluded, return to where you created those memories.
Go to Dream's Edge and interact with a floating book.

Black Swan: After everything has concluded, return to where you were saved by the Memokeeper.
Go to A Child's Dream and interact with a floating book.

Misha: After everything has concluded, return to where you helped out the youth.
Go to Golden Hour and interact with a floating book.

Stellaron Hunter: Sam: After everything has concluded, return to where the flames were enkindled
Go to The Reverie (Dreamscape) and interact with a floating book.

Classic Soulglad: Unlocked by Default

Dreamscape Sales Store: Obtained by progressing the Trailblaze Mission

Nameless' Dream Bubble: Obtained by progressing the Trailblaze Mission

I bought it during the Trailblaze Mission from Dr. Edward (the huge eyeball at the door of the Dreamscape Sales Store).

"Sales Rep": Speak with any billboard "Sales Rep." Billboard is pretty much everywhere in Penacony (or see the map below). Find one and talk to them.

Cash-Spewer: Make the Cash-Spewer spit cash. Another one that is easily found in Golden Hour (or see the map below).

Golden Times: Make a reading-related expenditure at the Oti Mall.
Interact with the floating book in front of a book-related store in the Golden Hour.

Floatdisc Burger: Make a food-related expenditure at the Oti Mall.
Interacts with the floating book in the spot below (near Quinn).

Golden Central Station: Visit the Golden Central Station
Interact with the floating book in front of Golden Central Station in the Golden Hour.

Oti Mall: Visit Oti Mall
Interact with the floating book in front of a fountain in the Golden Hour.

About Happiness: Unlocked by Default

About Love: Meet a romantically obsessed billboard "Sales Rep" in Golden Hour. See the map below for its location.

About Life: Meet the "small animal" Beastar on the street corner.
Talk to Beastar near a Cash-Spewer in Golden Hour.

About Death: Encourage the (amateur) stand-up comedian Jay.
Talk to Jay, speak to him again and choose the option 'You've got some natural comedic talent!'.

About Money: Meeting a wealthy old lady near the bank that connects the Dreamscape and reality.
Talk to Qian Ketong at the Oti Mall in Golden Hour.

The Family Needs You!: Unlocked by Default

Smokescreen: Unlocked by Default

Sound of Chaos: Peek into anyone's Dreamscape via Dreampeek Call. You can get this via an achievement called Thumping Heart which has been covered here.

Eye of Dreamchaser: Complete an encounter via telescope
Interact with the telescope near Clockie Statue in Golden Hour.

Empyrean Hymnos: Gaze upon the Penacony Grand Theater from afar at the Golden Hour
Interact with the floating book near Clockie Statue in Golden Hour.

Penacony TV Station: Promote your own dream to Dr. Edward.
Talk to Dr. Edward from the Dreamscape Sales Store in the Golden Hour. Then, choose the option 'I have some dreams to share with you.'

Clipping (I): Learn about financial products from Keenan
Talk to Keenan (Financial Adviser) in F1 of Golden Hour.

Clipping (II): Learn about the Dreamscape Motivators from Ran.
Talk to Ran near the Clockie Statue in the Golden Hour.

Clipping (III): Speak with the enthusiastic reporter before the Golden Central Station.
The reported mentioned is Singler from the Slaughterhouse Adventure Mission. You can start this mission by reading the message from Sweet Dream Times.

Clipping (IV): Find the newscaster in the Golden Hour.
Talk to Uma (News Anchor) near the TV station in the Golden Hour.

Clipping (V): make acquaintance with a strong Prop Master.
Complete the achievement On the Path of Voracity… and you will get this sticker.

Clipping (VI): Get hit by a vehicle in Penacony.

Yes, It's All Yours: Unlocked by Default

Good-Omen Capsule Machine: Unlocked by Default

Clock Credits: Find and attempt to repair the broken Cash-Spewer. You will also get an achievement for this one, and it has been covered in this guide here. The location of the machine can be seen below.

Aideen Tokens: Meet partygoers you can redeem Aideen Tokens with.
Talk to Dancy in the location below (Golden Hour) and change his emotion to Happy and you will get this sticker.

Aideen Park: Visit Aideen Park.
Interact with the floating book near a space anchor in Golden Hour.

Golden Capsule Machine: Visit the giant Golden Capsule Machine.
Interact with the floating book in front of the Golden Capsule Machine in the Golden Hour.

Cosmos' Most Lucky Capsule Machine: Visit the giant Golden Capsule Machine.
Interact with the floating book in front of the Golden Capsule Machine in the Golden Hour.

Let's Dance: Feel the festive atmosphere of the Golden Hour next to the dance floor.
Interact with the floating book in front of the floating instruments band at Aideen Park in the Golden Hour.

Enjoy Your Drink: Witness the story of the crystal chalice and three wine bottles in Aideen Park.
Complete the achievement Glasses in the City / Heart of the Rock / The Great Champagne and talk to all bottles to get this sticker.

Anecdote (I): Discuss "The Watchmaker" with the watchmaker.
Talk to Haliburton near the Clockie Statue in Golden Hour.

Anecdote (II): Discuss the Penacony Grand Theater with the singer.
Talk to Lady Cash at the outdoor dining area in Golden Hour.

Anecdote (III): Discuss the luxury car in the dream with the Dealership Staff Member. You can find Daisy in Golden Hour.

Anecdote (IV): Discuss art with the Art Critic. You can find Louis near the huge Golden Capsule Machine in Golden Hour.

Hey! I'm Clockie: Unlocked by Default

Look! He's Called Brother Hanu: Unlocked by Default

Hey! Isn't This The Origami Bird?: Unlocked by Default

Ah! The Annoying Boss Stone!: Unlocked by Default

A Pure Antagonist: Engage with a traffic accident on the street outside of Oti Mall.
Complete the Rashomon achievement and you will get this sticker.

Flying With Your Dream In Your Mouth: Locate the gathering place of Origami Birds in Golden Hour.
Interact with the floating book near the flock of birds in the location below in Golden Hour.

Sadie: Obtain three "Sad" Gears. Find gears around Penacony by absorbing the emotions of certain NPCs (can be seen by the Absorb Emotions option when you get near them).

Angrie: Obtain three "Angry" Gears. Find gears around Penacony by absorbing the emotions of certain NPCs (can be seen by the Absorb Emotions option when you get near them).

Happie: Obtain three "Happy" Gears. Find gears around Penacony by absorbing the emotions of certain NPCs (can be seen by the Absorb Emotions option when you get near them).

Calmie: Obtain three "Calm" Gears. Find gears around Penacony by absorbing the emotions of certain NPCs (can be seen by the Absorb Emotions option when you get near them).

Line: Inferiority: Encourage the discouraged Certificate Collector.
Talk to Mr. Piggy Bank and change his mood to Sad.

Line: Affection: Learn about the story behind the sad shop security guard.
Talk to Barrle and change his mood to Calm.

Line: Violence: Calm the Busker's displeasure with automated orchestras.
Talk to Brona and change her mood to Calm.

Line: Narcissism: Make the (self-proclaimed) tallest Pepeshi feel happy.
Talk to Cielo and change her mood to Happy.

Line: Philosophy: Learn about the true opinion of the collection fanatic Intellitron toward technological progress.
Talk to Ferdinand and change his mood to Sad.

The Family's Construction Authority: Unlocked by Default

Mr. Stone: Unlocked by Default

Soda Bottle: Unlocked by Default

A Strange Statue: Observe the sculpture at the center of the Hanging Gardens from a specific angle.
Interact with the floating book, located in Dream's Edge.

Observation Deck: Explore and discover the observation deck under construction.
Interact with the floating book in Dream's Edge.

Dreambird: Use Dream's Eye to connect the inconceivable path.
Interact with the floating book in Dream's Edge.

Dreambird (Another One): Use Dream's Eye to connect the inconceivable path (again).
Interact with the floating book in Dream's Edge.

Messenger: Speak with Go-Ray and fill out her missing emotions.
Talk to Go-Ray and use 1 Happy Gear to unlock the "Clockwork: Go-Ray" Adventure Mission and complete it to get this sticker.

Producer: Speak with Benny and restore his missing emotions.
Talk to Benny and use 1 Calm Gear to unlock the "Clockwork: Benny" Adventure Mission and complete it to get this sticker.

Pirate: Speak with Colleen and restore her missing emotions.
Talk to Colleen and use 1 Angry Gear to unlock the "Clockwork: Colleen" Adventure Mission and complete it to get this sticker.

Action: Help the performing Intellitron on the streets of the Golden Hour.
Talk to Xunsang in front of the hotel and give her Credits. Teleport away before returning to Clockie Food Truck and give her Credits again. Teleport away before returning to the outdoor dining area west of Clockie Food Truck and get the sticker.
More about this hidden achievement 'Fallen Angel' can be seen here.

Dreamweaver: Resignation: Learn what Sir Whittaker thinks of The Family.
Talk to Whittaker and change his mood to Sad.

Dreamweaver: Fatigue: Learn about Claudia and her family story.
Talk to Claudia and change her mood to Angry.

Dreamweaver: Angry: Learn about the past that Asika didn't want to talk about.
Talk to Asika and change his mood to Sad.

Dreamweaver: Obsession: Learn what Yuan really thinks of her tail.
Talk to Yuan and change her mood to Sad.

Dreamweaver: Pursuit: Learn about Hirata Heiji's new pursuit regarding "anime"
Talk to Hirata Heiji and change his mood to Happy.

Migratory Memory: Unlocked by Default

Frozen Memory: Unlocked by Default

Balloon: Unlocked by Default

Building Blocks: Touch upon someone's memory about toys.
Investigate the huge building blocks in one of the rooms in A Child's Dream. Look at the map below.

A Grandpa's Work: Touch upon someone's memory about clocks.
Investigate the desk with many clocks in A Child's Dream.

Toy House: Discover the comforting toy room in the Dreamscape.
Interact with the floating book near the building blocks in A Child's Dream.

Icy Fountain of Memory: Discover the magnificent Icy Fountain of Memory in the Dreamscape.
Interact with the floating book near the huge fountain.

Clock Workshop: Discover the tranquil study in the Dreamscape.
Interact with the floating book in the room below.

Chair: Touch upon someone's memory about work.
Investigate the floating chair in the room below.

Memories (I): Perceive someone's memory about doors.
Interact with the floating book at the end of the corridor in A Child's Dream.

Memories (II): Perceive someone's memory about puppets.
Fix the shifting bridge by interacting with a nearby mechanism and interacting with the floating book.

Memories (III): Perceive someone's memory about hope.
Interact with the floating book next to a fireplace.

Memories (IV): Perceive someone's memory about...
Interact with the floating book in the room below.

Allseer: Unlocked by Default

Heartbreaker: Unlocked by Default

Something Unto Death: Unlocked by Default

Faulty Screen: Find the unrepairable toy box in the VIP room hallway in the hotel in the Dreamscape.
Complete the Don't Pick Up Anything Ominous achievement and you will get this sticker.

No Signal: Meet the celebrated Ace Gambler in Aideen Park.
Complete the Every Gambler Has Their Excuse achievement and you will get this sticker.

Monitoring Room: Locate the Monitoring Room in the Dreamscape.
Interact with the floating book in the room below in The Reverie (Dreamscape).

Dreamscape Lobby: Locate the Lobby in the Dreamscape.
Interact with the floating book in the lobby of Dreamscape.

W?: Find Mullich in the hall outside of the Platinum Guest Rooms and restore his missing emotions.
Save Mullich in the room below in The Reverie (Dreamscape) and use 1 Angry Gear to unlock the "Clockwork: Mullich" Adventure Mission. Complete the mission to get the sticker.

Dreamscape Room: Locate the Hotel Room in the Dreamscape.
Interact with the floating book near the door in this room below.

Lost (I): Find the giant teacup in the hotel of the Dreamscape.
Interact with the floating book near the bubble-like fountain/statue in the room below.

Lost (II): Find the pantry in the hotel in the Dreamscape.
Interact with the floating book on top of the table.

Lost (III): Find the quiet study in the hotel in the Dreamscape.
Interact with the floating book on the corridor near the Calyx.

Lost (IV): Find the giant whale-shaped dream bubble in the hotel in the Dreamscape.
Interact with the floating book in the middle of the room.

Lost (V): Find the empty stage in the hotel in the Dreamscape.
Interact with the floating book on top of the empty stage.

The Family: Unlocked by Default

The Reverie VIP Lounge: Unlocked by Default

Tyrant: Complete "Goodness Is Rare" and record Tizocic II's story.

Scholar: Complete "The Trees At Peace" and record Chadwick's story.

Merchant: Complete "Envision a Rose Forthcoming" and record Cocona's story.

Celebrity: Complete "Cosmic Star" and record Lesley Dean's story.

Hero: Find the strange doll in the VIP Lounge of the hotel in reality and learn about his story.
Complete the Magique Pepeshi achievement and you will get this sticker.

Daughter: Witness the story of the father-daughter duo Wesley and Penelope in all maps.
Complete The Planet Of Festivities and Six Alfalfa Credits achievement and you will get this sticker.

Great People: Find Bocchi at Aideen Park entrance in Golden Hour and restore his missing emotions.
Talk to Bocchi and use 1 Angry Gear to unlock the "Clockwork: Bocchi" Adventure Mission. Complete it to get the sticker.

Distance: Find Chabro in the side alley and restore his missing emotions.
Talk to Chabro and use 1 Sad Gear to unlock the "Clockwork: Chabro" Adventure Mission. Complete it to get the sticker.

Best Buddies: Find Posema in Oti Mall and restore his missing emotions.
Talk to Poseman and use 1 Calm Gear to unlock the "Clockwork: Poseman" Adventure Mission. Complete it to get the sticker.

Who is this?: Find Quinn in Oti Mall and restore her missing emotions.
Talk to Quinn and use 1 Angry Gear to unlock the "Clockwork: Quinn" Adventure Mission. Complete it to get the sticker.

True Grit: Find Morris beside a displayed luxury vehicle at Oti Mall and restore his missing emotions.
Talk to Morris and use 1 Calm Gear to unlock the "Clockwork: Morris" Adventure Mission. Complete it to get the sticker.

Blank Tile: Find IV by the luxury store at Oti Mall and restore his missing emotions.
Talk to IV and use 1 Sad Gear to unlock the "Clockwork: IV" Adventure Mission. Complete it to get the sticker.