Sure! Here's an example of a simple RPG game implemented as a single HTML file using JavaScript and pictograms:
In this game, you control a player represented by a pictogram image, and you need to defeat the enemy by clicking the "Attack" button. The player and enemy have their health points (set to 100 in the beginning) and randomly attack each other with values between 1 and 10. The game displays messages about the attacks and health points after each attack. The game ends when either the player or the enemy's health reaches 0.