Fields of Glass is a puzzle game made using the PuzzleScript engine. In this game, the player must navigate a 2D maze in which the walls are invisible. The goal is to reach the door at the end. Sometimes, stepping on buttons is necessary to open the door.

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To make a game, the developer simply goes to puzzlescript.net and clicks on "Make a Game." Then the developer will write a single script in the PuzzleScript language that defines the game. Objects and their coloring, rules, collision layers, and win conditions are all defined within the script, as well as level grids. Then the developer will export the game as an HTML file and can run it in any browser.