Game On

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Game On is a Division C event for the 2016 season. It was held as a trial event for Division C at the 2015 National Competition, and was also run as a trial event at the 2014 National Competition.

The objective of Game On is to create a game with the program Scratch. Scratch is a program that allows non-programmers to experiment and play with the basics of programming. It is a visual event-driven language in which you drag and drop blocks of code in order to create scripts.


At the competition, students are given a theme which they must incorporate into their game. Possible themes (that are not intended for tournament use) are listed as Wave, Fire, Gravity, Silly sports, Frogs, and Newton's Second Law. While scoring is not as explicit as other events, the game students create will be judged on quality, originality/creativity, and overall impression. Because of the open-endedness of this event, there are not many explicit rules.

Teams of 2 are given 50 minutes to complete their game. The entire competition is conducted offline (in the offline editor). Students are allowed to bring writing instruments, headsets, and a microphone.

General Advice

Since the Scratch program is free, it is recommended that students experiment with the controls so that they are not learning how to use it at the competition. It is free to download here. Consider brainstorming game ideas for different themes as practice. Have a team member give you a topic, and time yourself (50 minutes) to complete it. Practice getting a basic set of code that you will start with or incorporate for different situations. As for game ideas, play other games and see what the theme of each game might be. Perhaps that will be the theme the judges choose at the competition! You can also look inside pre-existing projects made by experienced Scratchers (courtesy of Creative Commons) to determine specific mechanics of a project. It also doesn't hurt to ask other users for help in the Scratch community.


Remember to practice and include:

Introduction Screen. The introduction screen will be the first thing the judges see, so make it catchy to start with a good first impression. Be sure to include a title and a background relating to the game.

Help Screen. Your help screen should clearly explain to the judges how to play the game. Avoid creating a game with very complicated rules because it will be harder for the judges to understand. Many times, these instructions can be concisely written on the introduction screen.

Scorekeeping. How points are awarded in your game should not be confusing and should be clear. Clear rules on scorekeeping will make it easier to play the game.

Code Organization. The judges will have to understand your code, so try to organize it into sections based on the code's function. It is often difficult to understand someone else's code, so name objects appropriately. Use good practices such as adding comments and organizing large scripts using functions. Organize critical steps in your code using broadcasts.

Time Management. Make sure that you complete a working game first before making it look pretty. Form follows function, so finish your coding first! (Time management comes with practice so...PRACTICE!)

Prioritization. Prioritize the core game mechanics (a functional game is crucial to a high score) before any cosmetics. The particular order in which you program your game can depend on personal style, so try to practice to see what works best for you. This also goes hand-in-hand with time management since you don't want to spend too long doing a particular task (e.g. customizing sprites, searching for sounds, etc.).

Testing. If anything, this is one of the most crucial parts of the coding process. TEST YOUR CODE TO MAKE SURE IT WORKS! Testing is crucial in figuring out syntax errors, fine-tuning variables, setting difficulty levels, etc.

Extra Tip: To test a particular string of blocks without running the whole script, double-click the group. This works for isolated blocks too-- you can reset position, broadcast messages, rotate sprites, etc., by double clicking.

Additional Resources

User Chaguy2457's Guide, from SSSS 2017.

2014 National Tournament Trial Events
Division B: Airjectory · Bridge Building | Division C: Game On · Hydrogeology