The Australian Classification Board has held back the release of Undead Labs' open-world zombie survival title State of Decay for Xbox 360 in the region, according to the developer's official Facebook page.
"We are still waiting for the Australian Ratings Board to certify the game, and unfortunately we have no control over their response time," the statement read. " As soon as we hear, we'll be shipping to you with the next game update. We will not leave you behind if we can help it!"
State of Decay has already been released North America and Europe on Xbox Live Arcade for $20 (1600 Microsoft Points). A Windows PC version will launch at a date to be determined.
Details on why the game has been delayed have not been revealed. We assume - due to the violent nature of the game - that it will receive a rating of R18+, but the complication could be due to the game's availability digitally.
We will have more on this story as it develops.