THQ today announced the release of a PSP demo for Worms: Open Warfare 2, the sequel to the last year's title with the same name, which is scheduled to be released on August 31st in Europe. In this game, players will be able to challenge others from all over the world via multiplayer battles using a wireless connection. A host of new single and multiplayer modes such as Rope Race, Fort, Puzzle and Campaign are also present. Visit this website and follow the instructions to download the demo - registration needed.