The Pick a Door format is one of the fastest growing niches on YouTube Shorts and TikTok right now. Two doors, two fates, an impossible choice. The liminal backrooms aesthetic combined with psychological horror creates insane retention rates. And with AI, you can produce the entire thing — script, visuals, video clips, and voice — without a camera or microphone.

This tutorial gives you a complete 4 stage master prompt system to go from zero to a fully produced Pick a Door horror video. Every prompt is ready to copy and use.

What you need: ChatGPT or Claude for scripting, Google Flow for visuals, Kling or Veo 3.1 for video clips, ElevenLabs for Turkish voiceover. All free or freemium.

⚡
Google Flow
Free image generation
 🎬
Kling AI
Video clip generation
 🎙
ElevenLabs
AI voice narration

01 — The 4 Stage Workflow

Every Pick a Door video follows the same production pipeline. Master this structure and you can produce one video per day once the prompts are set up.

Stage 1
💡
Idea Generation
›
Stage 2
📝
Script Writing
›
Stage 3
🎨
Visual Prompts
›
Stage 4
🎙
Voice Over

The key psychological mechanic is cognitive dissonance: one door looks dangerous but intriguing, the other looks safe but suspicious. This tension keeps viewers watching until the end every time.

🚪 Red Door — Danger Bait

Visually threatening. Labels like "DO NOT ENTER", "TRAP", "FINAL REGRET". Viewers feel warned but curious. The twist: it sometimes leads somewhere unexpectedly peaceful.

🚪 Blue Door — False Safety

Visually inviting. Labels like "100% SAFE", "WELCOME HOME", "ETERNAL PEACE". Looks trustworthy. The twist: it always descends into something deeply wrong.

02 — Stage 1: Generate 5 Video Ideas

Paste this prompt into ChatGPT or Claude. It will generate 5 complete Pick a Door concepts with locations and thumbnail label strategies, formatted and ready to use.

Stage 1 — Idea Generation Master Prompt
You are a YouTube Shorts content strategist specializing in the viral "Pick a Door" liminal horror niche. Your task: generate exactly 5 original video concepts, each consisting of two doors (Door 1 and Door 2), following these rules strictly.Output Format (use only this format): Door 1 - [Short, impactful location name] Door 2 - [Contrasting/conflicting location name] Thumbnail: Door 1 red label "[Fear/Warning Bait]", Door 2 blue label "[False Safety Bait]"Rules: - Location Aesthetic: Liminal, nostalgic, uncanny or dreamcore spaces (neon arcade at midnight, infinite childhood bedroom, sky mansion above clouds) - Cognitive Dissonance: One door must look like paradise but feel suspicious, the other must look clearly dangerous but deeply intriguing - Red Door Labels: Use triggers like "DO NOT ENTER", "THIS IS A TRAP", "NEVER TRUST THIS", "FINAL REGRET" - Blue Door Labels: Use false reassurances like "100% SAFE", "WELCOME HOME", "NO DANGER HERE", "ETERNAL PEACE" - Theme Variety: Mix sci-fi, ocean fear, retro-futurism, backrooms and abandoned nostalgia themesOutput only the 5 concept blocks. No intro, no explanation, no conclusion.

03 — Stage 2: Write the Script

Once you pick a concept from Stage 1, paste it into this scripting prompt. It produces a 110 to 140 word voiceover script with all the psychological hooks built in: sensory detail, survival rules, a twist in each door, and a CTA that drives engagement.

Stage 2 — Script Writing Master Prompt
You are a professional scriptwriter for viral "Pick a Door" liminal horror videos. Using the concept below, write a voiceover script of 110 to 140 words using these rules:- POV language: Use "you" throughout. Make the viewer feel the air, smell (fresh bread vs mold), texture - Food Paradox: Door 1 has unlimited favorite fresh foods (false utopia). Door 2 has stale scraps or scarcity (regret element) - Survival Rule: Add one specific rule the viewer can debate in comments (ex: "For 24 hours never look back" or "No matter how familiar the voice, never open the door") - Twist: Door 1 peace suddenly breaks (a shadow appears or a familiar voice whispers). Door 2 danger escalates (lights go out, timer speeds up) - Time Pressure: Randomly choose a fate duration between 24 and 120 hours - CTA after Door 1: "Before the second door opens, subscribe and type 'change' to alter your fate, or like to lock in this choice."Script structure (follow this exact flow): INTRO: Before time runs out, choose your door. [Tension music] This choice determines your next [X] hours. DOOR 1: You chose [Location 1]. You step inside... [Sensory details, food, peace, then mysterious threat/rule] TRANSITION: [CTA text] DOOR 2: You chose [Location 2]. This place... [Scarcity, difficult conditions, escalating fear, sudden dark ending]MY CHOSEN CONCEPT: [PASTE YOUR CONCEPT HERE]

Pro tip: After generating, read the script aloud. If it takes more than 55 seconds you need to cut it down. YouTube Shorts algorithm rewards videos under 60 seconds with full retention.

04 — Stage 3: Generate Visuals and Video Clips

This is where the magic happens. Paste your script into this prompt and it generates a full production package: 1 entrance image for Google Flow, and 12 to 14 video clip prompts for Kling or Veo. All in English, all POV, all cinematic.

Stage 3 — Visual and Video Prompt Engineering
You are a hybrid visual and video prompt engineer specializing in "Pick a Door" liminal horror content. Using the script below, generate 1 entrance image prompt and 12 to 14 video clip prompts. All outputs must be in English.Entrance Image Rules: - 9:16 vertical format, wide corridor ending in two side by side doors - Left: Red Door with worn large-font horror labels matching the script ("DO NOT ENTER", "TRAP") - Right: Blue Door with handwritten-style font reassuring labels ("100% SAFE", "WELCOME HOME") - Aesthetic: Liminal backrooms, muted colors, high contrast deep shadows, grainy VHS filter, fog layers - Foreground detail: a mysterious element (slowly spreading blood puddle or massive entity shadow in distant corridor)Video Clip Rules (12 to 14 clips): - Perspective: First person POV only - Hands: Pale skin POV hands visible only 2 to 4 times total (grabbing food, holding flashlight, opening drawer, crawling) - Audio: No music, no speech. Natural horror atmosphere, footsteps, ambient dread - Flow: Clip 1: Heavy footsteps toward Red Door in empty corridor, door handle trembles, door swings open into darkness Clips 2 to 6: Sensory details inside Door 1, abundant food presentation, then the twist (food suddenly molding, shadows lengthening) Clip 7: Return to corridor, tense approach toward Blue Door, crossing threshold Clips 8 to 14: Uncanny atmosphere of Door 2, scarcity, hide/escape POV scenes, sudden dark ending - Camera: Slow steady forward movement, hypnotic tempo, subtle pan and zoomOutput format: Entrance Image: [English visual prompt] Clip 1: [English video prompt] Clip 2: [Continue to Clip 14]MY SCRIPT: [PASTE YOUR SCRIPT HERE]

05 — Stage 4: Voice Over with ElevenLabs

The final piece. Paste this voice profile into ElevenLabs when creating a custom voice or selecting a preset. The deep Turkish male narrator voice is what makes this niche work — it adds an uncanny authority that Western horror voices lack.

Stage 4 — ElevenLabs Voice Profile
A deep Turkish male voice for horror narration. Dark, eerie and mysterious tone. Speaks slowly with dramatic pauses, creating suspense and tension. Slightly whispery and unsettling, like a storyteller in a horror movie trailer. Cinematic, atmospheric, and chilling. Perfect for scary stories and liminal horror videos.

06 — Assembly and Publishing

Once you have your entrance image, 12 to 14 video clips, and voiceover, bring everything into CapCut. Layer the clips in sequence, add the voiceover track, drop in subtle ambient horror sound effects from Freesound or Pixabay, and export at 1080x1920.

  • Use the entrance image as your thumbnail — the two doors side by side is a proven click magnet
  • Title format: "Which door do you choose? 🚪" or "Pick a door. Choose your fate."
  • Pin a comment immediately after posting: "Comment your door below 👇" — this triggers early engagement
  • Post between 7 PM and 10 PM local time for maximum initial reach
  • Keep video length between 45 and 60 seconds for optimal Shorts retention
  • The CTA mid-video (subscribe and type "change") is the most important engagement driver — never skip it

Scaling tip: Once you have one video performing, the Stage 1 prompt can generate 5 new concepts in seconds. Run it weekly to build a content calendar. The niche is evergreen — new combinations of liminal spaces never run out.

Try It Yourself — Free

All 4 master prompts above are ready to copy. Start with Stage 1 and you can have a complete video concept in under 5 minutes.

Open Google Flow Browse All Prompts →