Sure! Here's a simple text-based game implementation of your quest to find the princess using JavaScript, enclosed within script tags in a single HTML file. Please note that pictograms may not be possible in a text-based game, but feel free to customize the visuals according to your preference:
This simple game allows the player to navigate between different locations (start, cave, river, castle) by entering commands like "go left", "go right", or "go forward". The game loop continues until the player finds the princess or enters an invalid command.