Sure! Here's a simple game called "Dad's Adventure to Get Milk - Part 4" implemented in a single HTML file using JavaScript:
In this game, the player controls a dad character represented by a pictogram. The objective of the game is for the dad to reach the milk pictogram. The dad can be moved horizontally by touching and swiping on the smartphone screen. Once the dad touches the milk, a message will be displayed indicating that the dad has successfully obtained the milk.