2025 Vibe Coding Game Jam

Contest Guidelines

• Games must be mobile-friendly
• At least 80% code has to be written by AI
• NO loading screens and heavy downloads (!!!)
• Has to be almost instantly in the game (except maybe ask username if you want)

Important: You must submit your game using a Websim share link (on.websim.ai URL).

To get your share link: Click the share icon and copy the Public URL as shown below:

Levelsio Prizes

The original creator is potentially offering prizes that are sponsored by multiple AI companies and products. View the original post.

Submit to the Levels Vibe Coding Game Jam using this form.

Eligibility to win this competition requires including this button in your game. Copy and paste this code into your prompt bar:

<a target="_blank" href="https://jam.pieter.com" style="font-family: 'system-ui', sans-serif; position: fixed; bottom: -1px; right: -1px; padding: 7px; font-size: 14px; font-weight: bold; background: #fff; color: #000; text-decoration: none; z-index: 10; border-top-left-radius: 12px; z-index: 10000; border: 1px solid #fff;">🕹️ Vibe Jam 2025</a>

Websim Prizes

Submitting to this Websim page enters you into the Websim Pre-Jam, streamed live Monday the 24th at 6pm ET.

Prizes: 3 winners of the Websim Pre-Jam can receive a MAX plan as well as $500 for first place, $300 for second place, and $200 for third place.If winner is under 18, must have parental consent to accept cash prize

Community Event: The Websim Team will also be hosting a community playtest session in our Discord on March 23rd at 6pm ET where we will be testing each others creations and giving feedback!