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x Multiplayer


Have you ever wanted to try your hand at creating multiplayer games? Now’s the time! Create a new multiplayer game with GameMaker or add multiplayer to your existing project to take part in the Multiplayer Showcase and win cash prizes!

July 21, 2022
Event starts
August 4, 2022
Event ends
August 18, 2022
Winners Revealed
Get Started


Members of the and community will gleefully play through every single submission and pick the ten best games. In the week following the event (August 18-25), the two winning games that are played the most will win an additional $2,500.

Top 10 games


Two most-played



By participating in the Multiplayer Showcase you agree to the following:
  • Games must be made using GameMaker
  • Games must incorporate the online multiplayer function
  • Games must be uploaded or updated on before August 4, 2022
  • Collaboration and teams are welcome
  • Fan games and games using licenced characters will not be accepted
  • Games with themes of illegal activities, racism, sexism, homophobia or other forms of bullying will not be accepted
Read the full rules here.

How do I participate in the Multiplayer Showcase?
Just upload your new multiplayer game to, or update your existing one with a multiplayer option!
When does the event start?
The event starts on July 21, 2022, and ends on August 4, 2022.
What are the prizes?
The ten winning games, selected by the team and community, will each receive $1,000. Of those ten games, the two with the highest number of plays in the week following the end of the event (from August 18-25), will each receive an additional $2,500.
Can I participate if I’m under the age of 18?
As we have a monetary prize for this competition, contestants need to be the age of majority in their country.
How do I upload my game to
To upload your game, open GameMaker and choose your game project. Select the Opera GX target and start the upload process with the click of a button. Finally, go to DevCloud to edit your game’s details and publish it. On the edit game page, select up to three categories, click save, and your game will automatically be entered into the competition.
How do I make my game available to the public?
When submitting your game on DevCloud , make sure you go to the side menu and select Publishing, then toggle it to Public.
Can I upload my game if it’s already been released on Steam,, or other marketplaces?
Yes. As a competition focused partially on existing games, we understand that you may already have published your games on other platforms. However, you can only compete if your game is free to play or to download on the other platforms as well.
What type of games can I upload?
You can upload any free and original games that you created using GameMaker

You are NOT allowed to upload:
  • Any games that infringe on existing intellectual property
  • Any games containing content and/or assets that you do not have rights to use
  • Games with themes deemed inappropriate for minors, such as drug use, sexual themes, brutal violence, disturbing visuals, etc.
  • Games with themes that include racism, sexism, homophobia, xenophobia, religious prejudice, or other forms of hate
  • Paid games
  • Games made in other game engines
Can I upload my existing game?
Yes! Feel free to upload any games that you have already created, but bear in mind the type of games you are allowed to submit.
How many games can I upload?
As many as you would like. Multiple entries are allowed.
Do I still own the rights to my game after I upload?
Yes. The legal ownership of the game remains in the hands of the submitting party.
How do I make a multiplayer game with GameMaker?
It’s very easy - just follow this guide or tutorial!
Read Terms & Conditions
Have any questions?
Contact us