Spreadsheet Racing:

Turn a spreadsheet application like Excel into a simple racing game where cell values act as obstacles and the player navigates using arrow keys.

Text Adventure inside a Word Processor:

Create a text-based adventure game that is played entirely within a word processor like Microsoft Word or Google Docs, using text formatting and features like comments for interaction.

Musical Typing:

Develop a browser extension that plays different musical notes based on the keys pressed while typing in any text field, turning regular typing into a musical performance.

Emoji Autocomplete:

Create a browser extension or standalone app that suggests emojis based on the context and content of the user’s writing, making text conversations more fun and expressive.

Reverse CAPTCHA:

Design a web app where users must prove they are a robot by solving simple, robot-friendly tasks, providing a humorous twist on the traditional CAPTCHA system.