Submissions are now open for the Sonic Hacking Contest 2026, after development problems with the event’s new website forced organizers to push this year’s contest back by several weeks.

Entries can be submitted from September 20 through September 30, while the contest itself will now begin on October 24, with voting ending on October 31. The revised schedule replaces the previously announced October 3-11 contest dates and September 6 submission deadline.

The delay was announced in August after the laptop belonging to lead site developer Cinossu suffered what organizers described as a “catastrophic failure.” Work had already been underway on a major overhaul of the Sonic Hacking Contest website, and the hardware failure left the team unable to finish the new version in time for the original schedule.

A further update from Cinossu on September 19 confirmed that the new website still was not ready for the opening of submissions. Work commitments and the laptop failure had both slowed development, so SHC 2026 is instead giving the existing website one last run. The organizers say the planned changes for this year have still been implemented, even if the site itself is missing some of the polish originally intended.

The schedule is not the only thing changing. The original SHC 2026 announcement outlined one of the contest’s largest rule and format overhauls in years, beginning with stricter quality-control requirements.

All entries must now be playable in some form, ruling out cutscene-only submissions and tech demos with no interaction. Entries also cannot suffer from consistent crashes severe enough to disrupt normal play. Rather than relying on rigid checklists for ROM hacks and Modern 2D projects, judges will have more freedom to consider whether a submission provides enough substantial work to qualify.

The contest has also introduced a formal policy for generative AI. AI-authored images, music and other audiovisual assets are explicitly prohibited. Entrants who use AI-based tools for development, reverse engineering, debugging, translation or similar work must disclose that usage, with judges deciding eligibility case by case. Projects using heavier AI assistance may also receive a badge identifying that use.

Awards are being reworked too. The public distinction between Judged and Unjudged entries is being removed from entry pages, and all accepted entries can now compete for Community trophies. Most trophies will be decided by the community, while a new medal system gives judges another way to recognize specific technical, design or gameplay achievements without forcing every accomplishment into a single-winner category.

Community trophy voting is also switching to a ranked-choice system, with voters selecting their first, second and third choices. The organizers say the change should better represent community opinion than the previous first-past-the-post format.

The long-running Media Panel is changing substantially as well. There will no longer be a fixed official streaming schedule. Established Media Panel creators can cover the contest whenever they choose, while other creators will be able to promote their own SHC 2026 streams using #SHC2026Live, with qualifying streams potentially highlighted through the contest’s official channels.

For now, entrants have until September 30 to get their projects submitted. Sonic Hacking Contest 2026 then begins on October 24, bringing a new schedule, new voting system, tighter submission rules and a heavily revised awards structure to one of the Sonic community’s longest-running fan events.

Stay tuned to Sonic City for more Sonic Community News and Updates!


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