Sure! Here's the implementation of Wizard Dungeon Crawler as a single HTML file using JavaScript and pictograms:
Wizard Dungeon Crawler
To play the game, simply copy the above code and save it as an HTML file. Open the file in a web browser (preferably on a smartphone) to start playing the Wizard Dungeon Crawler. Use the arrow keys to move the wizard character and try to collect the treasure while avoiding the enemy.