What is Library Pranks? Library Pranks is a Simulation browser game you can play instantly online with no downloads. Experience realistic simulation and management gameplay.
๐ LIBRARY PRANKS — Full Game Description
Developer: happystoner5420 Games
Genre: Comedy Chaos Simulator
Version: 2.0
Platform: Browser-based HTML5 game (offline, no server required)
๐ฎ WHAT IS THIS GAME?
Library Pranks is a hilarious chaos simulator where you play as a troublemaker in a library, pulling pranks on 20 unsuspecting NPCs while avoiding the wrath of Mrs. Hushmore, the strict librarian. Your goal is to rack up 1,000 chaos points by pranking everyone in sight—but get caught 3 times and you're ejected from the library for good!
Think of it as a photorealistic, browser-based prank sandbox with AAA-quality handwritten note mechanics, dynamic NPC reactions, and escalating consequences. It's irreverent, PG-13 humor meets strategic chaos management.
๐ฏ GAME OBJECTIVE
WIN CONDITION: Reach 1,000 chaos points
LOSE CONDITION: Accumulate 3 strikes from Mrs. Hushmore (the librarian)
CORE MECHANIC: Pull pranks to increase chaos while managing librarian fury
๐ฅ CHARACTERS
NPCs (20 Total)
10 Female NPCs: Karen, Brenda, Cynthia, Susan, Debra, Tammy, Glenda, Phyllis, Rhonda, Barb
10 Male NPCs: Gary, Doug, Terrence, Marvin, Chad, Phil, Gerald, Steve, Cliff, Barry
Each NPC has a unique emoji, personality, and photo
NPCs react dynamically to pranks with speech bubbles and emojis
NPCs can send revenge notes after being pranked directly
The Librarian: Mrs. Hushmore ๐
The antagonist who monitors your behavior
Appears when pranks are too chaotic or NPCs report you
Delivers strikes when fury meter fills
Has a cooldown system between appearances
Features threatening dialogue like "ONE MORE STRIKE AND YOU'RE DONE!"
๐ฅ PRANKS (16 TOTAL)
The game features 16 different pranks divided into categories:
๐ฏ Individual Target Pranks (require NPC selection)
๐ Slap Back of Head — Classic physical comedy
๐ฆ Spray with Water — Soak 'em good
๐ฅค Shoot Spitball — Gross but effective
โ๏ธ Draw Mustache — Only works on sleeping NPCs
๐คง Fake Sneeze (Wet) — Biological warfare
๐ Throw Paper Ball — Harmless but annoying
โ๏ธ Pass a Note — NEW! Interactive note-passing system
๐ฃ Area-of-Effect Pranks (hit all NPCs)
๐ข YELL REALLY LOUD — Everyone jumps
๐ฑ BLOOD-CURDLING SCREAM — Maximum panic
๐จ Pull Fire Alarm — 95 chaos points! Evacuation chaos
๐งฏ Spray Fire Extinguisher — Cover everyone in foam
๐ Knock Over Book Stack — Destroy the Dewey Decimal System
๐ต Blast Loud Music — Eardrums beware
๐จ Rip a Massive Fart — Chemical warfare
๐ฏ AIR HORN — Instant deafness
๐ Prank-Call Library Phone — Confuse everyone
Chaos Values: Range from 5 points (paper ball) to 95 points (fire alarm)
โ๏ธ NOTE PASSING SYSTEM (FLAGSHIP FEATURE)
Player → NPC Notes
The game's standout feature is a photorealistic handwritten note system:
Visual Design:
AAA-quality paper texture with cream gradient and paper grain
Blue ruled lines matching real notebook paper
Red vertical margin line on the left
Handwritten fonts (Indie Flower, Patrick Hand, Permanent Marker)
Real-time text rendering as you type
Pencil-like texture effect
Gameplay:
Select an NPC as your target
Click "โ๏ธ Pass a Note" button
Write a message (up to 200 characters)
See it rendered in handwriting in real-time
Send it and wait for NPC response
Content Categories (100+ possible responses):
๐ Flirty/Romantic — Compliments, pickup lines, coffee invites
๐ Funny/Jokes — Puns, knock-knock jokes, comedy
๐ Library Humor — Book puns, Dewey Decimal jokes
๐ค Rude/Crude — Insults, gross humor (PG-13)
๐คช Weird/Random — Bizarre, nonsensical messages
๐ Complaints — Whining about library/librarian
โ Asking for Help — Homework questions, book requests
๐ต๏ธ Conspiracy Theories — Paranoid observations
NPC Intelligence:
NPCs analyze your note content using 90+ trigger words
65% chance of positive reaction, 35% negative
Responses vary based on content category
Rude/offensive notes can get you reported to the librarian
Good jokes and successful flirting add zero chaos
NPC → Player Notes (Revenge System)
After individual pranks, NPCs send you revenge notes!
90+ unique revenge messages including:
Threats and demands for compensation
Hilarious complaints about ruined clothes
Dramatic exaggerations ("I could sue you!")
Comedy gold like "My mom asked if I was 'experimenting'" (mustache prank)
After area pranks, 30% chance NPCs send complaint notes
Yellow/cream paper with handwritten font
Click "GOT IT!" to dismiss
๐ฎ GAMEPLAY MECHANICS
Controls:
Click NPC to select as target
Click Prank Button to execute
Watch Chaos Meter fill up (gradient progress bar)
Monitor Librarian Fury meter (3 strike pips)
Librarian Fury System:
High-chaos pranks (60+ points) always trigger her
Medium pranks (30-59 points) have random chance
NPC reports (from offensive notes) trigger her
Three strikes = game over
Cooldown system between appearances
Chaos Scoring:
Individual pranks: 5-40 points
Area pranks: 25-95 points
Note passing: 0-25 points (varies by response)
Special sound effects every 200 points
Progress bar with color gradient (green → yellow → red)
Visual Feedback:
NPC Speech Bubbles with emoji indicators:
๐๐ Positive note response
๐ค๐ Negative note response
๐ค๐ Confused response
Screen Effects:
Screen flashes for loud pranks
Shaking NPCs
Floating emojis
Librarian entrance animations
Dynamic NPC Reactions:
100+ unique reaction lines per prank type
Examples: "I felt my ancestors!" (slap), "WHAT DIED?!" (fart)
๐จ PRESENTATION & POLISH
Visuals:
Photorealistic library background (library.jpg)
20 photorealistic NPC portraits (male1-10.jpg, female1-10.jpg)
Librarian portrait (librarian.jpg)
CSS3 animations and transitions
Responsive design for desktop/mobile
Audio:
Web Audio API-powered sound engine
Unique sound effects for every prank
Librarian voice lines
Special milestone sounds
UI/UX:
Polished main menu with animated buttons
"How to Play" tutorial screen
Credits screen with scrolling text
Real-time chaos/fury meters
Win/lose screens with randomized flavor text
๐ GAME FLOW
Main Menu → Choose New Game, How to Play, Credits, or Exit
Game Screen → Library scene with 20 NPCs and prank panel
Prank Loop:
Select NPC (optional for area pranks)
Choose prank from 16-button grid
Watch NPC reactions and chaos increase
Read revenge notes (if individual prank)
Avoid/manage librarian appearances
Win/Lose:
WIN: Reach 1,000 chaos → Victory screen
LOSE: 3 strikes → Ejection screen
Options: Play Again or Return to Menu
๐ก STRATEGY TIPS
Mix pranks: Combine high-chaos area pranks with low-chaos individual pranks
Note passing is strategic: Good jokes and flirting add zero chaos
Avoid offensive notes: Threats, profanity, and creepy content get you reported
Time your big pranks: Fire alarm (95 chaos) always triggers the librarian
Read revenge notes: They're hilarious and add to the experience
Balance risk/reward: High-chaos pranks are faster but riskier
๐ง TECHNICAL DETAILS
File Structure:
index.html — Game structure
styles.css — Styling and animations
main.js — Core game logic, NPC data, note system
graphics.js — Visual effects, positioning, animations
audio.js — Web Audio API sound engine
23 image files (.jpg)
Technologies:
Pure vanilla JavaScript (no frameworks)
CSS3 animations
Web Audio API
Google Fonts (handwriting fonts)
Modular code architecture
Requirements:
Modern browser (Chrome, Firefox, Edge)
No installation needed
Works offline
No server required
Recommended: Headphones (it gets LOUD!)
๐ฏ TARGET AUDIENCE
Comedy game enthusiasts
Fans of simulator/sandbox games
Players who enjoy lighthearted chaos and pranks
Anyone who's ever wanted to cause mayhem in a library
Ages: Teen to Adult (PG-13 humor)
โญ KEY SELLING POINTS
Photorealistic Note System — AAA-quality handwritten notes with 100+ AI-like responses
16 Unique Pranks — From slaps to fire alarms
Dynamic NPC Personalities — 20 NPCs with distinct reactions and revenge notes
Strategic Depth — Balance chaos vs. librarian fury
Hilarious Writing — 90+ revenge notes, 100+ NPC reactions
Polished Presentation — Professional UI, animations, sound design
Replayability — Randomized responses, multiple strategies
No Installation — Browser-based, works offline
๐ฌ TAGLINE
"The World's Most Irresponsible Simulator" — Cause chaos, pass notes, avoid the librarian, and WIN!
This is a complete, polished comedy simulator that combines photorealistic visual design, deep interaction systems, and irreverent humor into a browser-based chaos sandbox. It's essentially a "library troublemaker simulator" with sophisticated note-passing mechanics that feel like a mini social deduction game within the larger prank framework.
Mobile
Mobile
Mobile
Mobile