Sure! Here's a simple game written in HTML and JavaScript where you can play as an angel and try to defeat the devil. Note that this is a basic implementation and can be expanded upon further.
Angel vs Devil Game
In this game, you simply need to click on the angel image to kill the devil, and click on the devil image to increase its kills. The game ends when either the angel or the devil reaches 5 kills. The result will be displayed accordingly. The game can be styled further using CSS and more functionalities can be added as per your requirements.