GPThemes - ChatGPT Customization & Tweaks

Board Game Arena (BGA) Chrome Extension - boardgamearena.com

bga-extension

Manage your games in progress, and add many visual enhancements (dark mode, etc.).

Lichess Custom Themes, Boards - LichessHelper

2026 Setup new themes, pieces, fonts, and boards, remove annoying notifications, popups, and so on.

Custom Themes for Facebook

Turn the classic Facebook design into a stylish one with a single click.

Epic Games Store - Free Games Reminder

Ace Extension Developer

Reminds you to claim the daily or weekly free games from Epic Games Store.

CoolStyles - Create Theme for any website

Any website can be customised to your colour scheme in a single click with thousands of user styles' gorgeous themes

Leetcode Custom Themes

Vishnuvardhan S

Allows you to change Leetcode Code Editor Themes

Bro-Mon 🐾 Browser Monsters - Web Surf Game

Join Bro-Mon game for epic web fun! Catch wild monsters while surfing the web on your browser. #SurfAndSnatch