How I Made It I worked on the game over the course of the whole 3-week period. The first week was spent coming up with the idea and building the basics of the game. Once I came up with the game idea, the sci-fi setting came pretty naturally: nothing on earth combines in different ways based on the direction it’s moving, so the game had to be sci-fi. Why not escape from a space station filled with hazardous materials? In the second week I added in the graphics and designed the levels. In week 3 I built more levels and added finishing touches. Originally, I had ideas for several different games based on the theme "Escape", but I ultimately chose this because I had a clear vision for what it would be and how it would play from the start. I like puzzle games like this because they lend themselves to so much variety from a simple base of mechanics. I was inspired by Baba is You, which is a fantastic showcase of a simple ruleset creating infinite variety. I've always been interested in game development, but I only started about 5 years ago. I think it's a great and fun creative outlet that mixes problem solving and creativity. For this game I used Unity3D. I created all the graphics myself using primitive shapes and Probuilder. The biggest challenge I faced was the undo system: you need some way to save the state of the board 2, 20, or even 200 moves ago! I decided to save the state of the level every time you move as a string of text, and built in the capability to load levels using that. Once I had this functionality, I decided to add a level editor and let people play with it themselves! Instructions Use WASD or the Arrow Keys to move your character. Pushing matter and antimatter to the right adds the values, pushing them to the left subtracts them. Push in the right order to cancel everything out and escape!