Battle Arena
Choose your challenge and prove your prompting skills
Showing 50 battles
Calculator App
Build a calculator with basic and scientific operations, keyboard support, and history.
Color Palette Generator
Generate harmonious color palettes with various color theory rules.
Countdown Timer
Create multiple countdown timers with presets, alerts, and persistence.
Unit Converter
Convert between units across multiple categories with real-time results.
Password Generator
Generate secure passwords with customizable rules and strength analysis.
Flashcard App
Create and study flashcard decks with spaced repetition.
Habit Tracker
Track daily habits with streaks, statistics, and visual calendars.
Recipe Scaler
Enter recipes and dynamically scale ingredients by servings.
Expense Splitter
Split expenses among a group and calculate who owes whom.
Mood Journal
Log daily moods with notes, tags, and trend visualization.
Bookmark Manager
Organize bookmarks with folders, tags, search, and import/export.
Typing Speed Test
Measure typing speed and accuracy with various text modes.
Emoji Picker
Searchable emoji picker with categories, skin tones, and recent usage.
Quiz App
Build a quiz application with multiple question types, scoring, a timer, and a results summary with review mode.
Pomodoro Timer
Build a Pomodoro productivity timer with work/break cycles, notifications, session history, and customizable durations.
Markdown Editor
Build a split-pane Markdown editor with live preview, syntax highlighting, and file export.
Snake Game
Build the classic Snake game with keyboard controls, scoring, speed progression, and a high-score board.
Todo App Speedrun
Build a fully functional todo app with CRUD operations, filtering, and local storage persistence.
Tetris Clone
Build classic Tetris with all standard pieces, scoring, levels, and effects.
Blog Engine
A full-featured blog platform with markdown posts, categories, search, and RSS.
Expense Tracker
Track income and expenses with categories, charts, and budget goals.
Image Gallery
A responsive image gallery with lightbox, filtering, and lazy loading.
Code Snippet Manager
Organize and search code snippets with syntax highlighting and tags.
Minesweeper
Classic Minesweeper with multiple difficulties, flagging, and auto-reveal.
Calendar App
A full calendar with events, drag-to-create, and multiple views.
Form Builder
Drag-and-drop form builder with preview, validation, and JSON export.
Memory Match Game
Card matching memory game with themes, difficulty, scoring, and multiplayer.
File Explorer UI
A file explorer interface with tree view, breadcrumbs, and file operations.
Connect Four
Classic Connect Four with AI opponent, animations, and game analysis.
Notification Center
A notification system with types, actions, grouping, and real-time updates.
Social Feed
A social media feed with posts, comments, likes, and infinite scroll.
Hangman
Classic Hangman with categories, difficulty, hints, and multiplayer.
Survey Builder
Build surveys with question logic, response collection, and results dashboard.
Invoice Generator
Create professional invoices with line items, tax, and PDF-ready output.
Simon Says
Simon Says memory game with sounds, increasing difficulty, and modes.
Chat Room
A real-time chat application with rooms, typing indicators, and message features.
Word Search Generator
Generate and play word search puzzles with custom words and difficulty.
Link Aggregator
A Hacker News / Reddit-style link submission and ranking platform.
Voting App
Create and vote on polls with real-time results and analytics.
Poll Maker
Create interactive polls with real-time visualization and sharing.
Typing Race Game
Competitive typing game with racing visuals, multiplayer, and leaderboards.
Comment System
A threaded comment system with votes, replies, and moderation.
Crossword Puzzle
Generate and play crossword puzzles with clues, validation, and hints.
Issue Tracker
A GitHub-style issue tracker with labels, milestones, and kanban view.
Paste Bin
A code/text sharing platform with syntax highlighting and expiration.
Event Scheduler
Schedule events with availability, reminders, and conflict detection.
Feedback Widget
An embeddable feedback widget with screenshots, ratings, and dashboard.
2048 Game
The classic 2048 sliding tile puzzle with animations and game modes.
Battleship Game
Classic Battleship with ship placement, AI opponent, and game log.
Recipe Manager
A recipe management app with search, categories, meal planning, and shopping lists.