Welcome to the Crazy Web Multiplayer Jam 2025!

Join the ultimate web game development marathon, where creativity meets business!

The Crazy Web Multiplayer Jam 2025  is an online event co-organized by CrazyGames and GameJamPlus and in partnership with Photon. This game development marathon offers an exciting opportunity to create and showcase your game from April 25 to May 5, 2025. 

This event is designed to fuel the growth of web games! Join our Jam Discord community to stay connected.

Why Participate?

Learn Multiplayer Fast with Photon’s resources & dedicated support.
Massive Rewards – Cash prizes, publishing deals, and premium Photon licenses.
Community & Exposure – Get your game played by thousands and get a chance to have it published on CrazyGames.
Get visibility—your game could be played by thousands on CrazyGames!
Pre-jam support starting April 18, so you can hit the ground running. No prior multiplayer experience? No problem—this jam is the perfect place to start!

How to Join

Register

Sign up for free on this form.

Registration is mandatory to all individuals.

Develop

Create your game during the exclusive development period (April 25 to May 5, 2025).

Submit

Upload your game to the CrazyGames developer portal by 11:59 pm CET on May 5, 2025.

Register your game

Game registration will open on April 24, 2025.

Ensure your game meets the following requirements:

  • Adheres to PEGI 12 rating criteria.
  • Developed entirely during the event period.
  • Complies with all legal and ethical standards.
  • The initial game size should be under 50 MB and the final size should not exceed 250 MB

Prizes

CrazyGames Money Prizes

The total prize pool is EUR 10,000, with a base cash prize awarded to the top 3 winners. Additionally, all winners can receive an extra amount through a revenue share agreement for publishing their games on CrazyGames. This ensures both immediate rewards and long-term financial support for developers.

 

🥇 1st Place:
🥈 2nd Place:
🥉 3rd Place:
🎖 4th Place
🎖 5th Place

TOTAL

Base prize

€1,500.00
€1,300.00
€1,000.00


€3,800.00

Agreement Bonus

€2,500.00
€1,500.00
€1,000.00
€700.00
€500.00

€6,200.00

Total Prize

€4,000.00
€2,800.00
€2,000.00
€700.00
€500.00

€10,000.00

Photon Licenses

To help developers continue building multiplayer games.

🥇 500 CCU* with Circle Starter for a year = 7.5k$ value

🥈 500 CCU for a year = 1.5k$ value

🥉 100 CCU for a year = 100$ value

*Concurrent Users (CCU) The number of users allowed to connect to your application is defined by its CCU. For plans the CCU total is defined by the sum of peaks for all regions.

Terms and Conditions

By participating, you agree to the Terms and Conditions that ensure a fair, respectful, and legally compliant event. These include requirements for originality, legal use of assets, and adherence to the development timeline.

Jammer's Guide

The Jammer’s Guide provides all the essential information for participating in our game jam, including rules, schedule, development and submission tips, as well as useful resources to help you successfully create your game.

FAQs

Absolutely! Solo developers are welcome to join and showcase their talents independently.

Yes, you can use pre-made assets, provided they are legally obtained and properly credited within your game.

Unfortunately, late submissions will not be accepted. It’s essential to manage your time effectively to ensure you submit your project on time.

All games are welcome to be submitted at the end of the jam! However, please note that they will go through our regular content review process.

Yes, team formation is flexible, and you can assemble or modify your team at any time during the event.

No, there are no restrictions on the number of members in a team. You can work alone or collaborate with others.

Winners will be selected based on criteria outlined in the game jam manual, including creativity, gameplay, and adherence to the theme. The judging process is at the sole discretion of the organizers.

Prizes will be awarded to the team representative, who will be responsible for distributing them among the team members. The organizers are not liable for any disputes regarding prize distribution within teams.

No, registration for the Crazy Web Multiplayer Jam is completely free of charge.

The organizers reserve the right to modify, extend, or cancel the event in case of unforeseen circumstances. Any changes will be communicated as soon as possible.

Yes, the event is online and open to participants worldwide. However, all timings will follow the CET time zone.

Yes, all intellectual property rights to the game remain with you. The organizers will not claim ownership of your game but may use it for promotional purposes related to the event.

The official communication of the jam will be conducted via email.

The jam will be held online. Access to the official Discord is not mandatory, and the server will be used as a multilingual hub for team formation.

Yes, the Crazy Web Multiplayer Jam 2025 is entirely online. You can participate from anywhere in the world, as long as you have an internet connection.

You can connect with fellow jammers and find potential teammates on our Crazy Web Multiplayer Jam 2025 Discord community. It’s a great place to share ideas, collaborate, and build your team.

No, accepting the publishing deals is not mandatory. You are free to decline any publishing offer if your project is selected.

There are no prizes for participation alone. Prizes are only awarded to projects selected for incubation, and those prizes are contingent on accepting the incubation offer.

The jam is organized by CrazyGames, Photon and GameJamPlus/Indie Hero. We are excited to bring together developers from around the world for this event.

For more information and support, join our Jam Discord community
or send your question by e-mail support@gamejamplus.com.

Crazy Games

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