Sui Overflow 2025 Submission Deadline Extended as Global Developers Prepare Final Projects

The Sui Network has issued a final reminder to Web3 developers across the globe: the deadline to submit entries for its flagship hackathon, Sui Overflow 2025, is fast approaching. Originally slated for an earlier date, the deadline was officially extended to Friday, May 23, giving participants just a few more days to finalize and showcase their innovations.

In a tweet posted earlier today, Sui Network called out to “buildooors” – a term affectionately used in crypto circles for developers – encouraging them to take advantage of the extension and secure their place in one of the largest decentralized development events of the year.

A Showcase for Global Web3 Talent

The Sui Overflow hackathon has grown into a major fixture on the blockchain development calendar. Backed by the Layer 1 blockchain protocol Sui, the event invites coders, designers, and product thinkers to build decentralized applications (dApps), tooling, infrastructure, and smart contract solutions using Sui’s Move programming language.

This year’s event promises to be the biggest yet, attracting talent from around the world. While the network has not disclosed exact submission numbers, community engagement across X (formerly Twitter), GitHub, and Discord suggests rising interest. Sui has positioned the hackathon as a platform for discovering early-stage innovation within the ecosystem, often providing visibility to projects that may evolve into full-scale ventures.

Extension Offers Breathing Room, But Clock Is Ticking

The decision to extend the deadline to May 23 appears to have been driven by community feedback, with many developers requesting additional time to polish their submissions. With just under a week left, the message from Sui is clear: now is the time to wrap up and submit.

“Reminder: buildooors, you have until next Friday, May 23, to submit your projects for #SuiOverflow2025!” the official tweet read. Participants were also directed to sui.io/overflow for more information and submission guidelines.

Community-Driven, But Competitive

Unlike corporate-sponsored hackathons with high barriers to entry, Sui Overflow is designed to be accessible and open. Teams range from independent developers to small startups and university groups. Still, the competition remains fierce. Participants will be judged on originality, technical sophistication, usability, and alignment with Sui’s core principles of performance and scalability.

The hackathon also serves as a gateway to potential funding, with previous participants going on to secure grants or VC backing. However, Sui Network has been cautious in its messaging, focusing less on hype and more on encouraging technical creativity and sustainable project design.

Final Thoughts

With the submission window set to close in just a few days, developers aiming to make their mark in the Sui ecosystem have limited time to act. The extension offers a valuable second chance, but it’s clear that the pressure is on.

As the decentralized tech landscape continues to evolve, hackathons like Sui Overflow are increasingly seen as grassroots engines of innovation—where new ideas take shape before they make headlines.