Omni Interactive Audio today unveiled they have signed a long-term deal to create and integrate all the sound effects for future chapters of Guild Wars, the new online role playing game developed by ArenaNet and published by NCSoft. In addition to creating and implementing all the sound effects for Guild Wars, their credits include Halo 2 (cinematics), NHL Rivals, Men Of Valor, and The Sims 2. Guild Wars will be available at retail in North America and Europe on April 28, 2005.