Coolinfo heeft een stuk info over het Opposing Force expansion pack voor Half-Life, dat ontwikkeld wordt door Gearbox Studios:
Why was Gearbox Studios chosen to develop the upcoming Half-Life expansion, Opposing Force? Lead designer on the project, Randy Pitchford, believes there are several reasons, as he explained: "This team is filled with experienced 3D game developers. Some of the core team in addition to working on full titles also have created add-on packs like Duke Nukem 3D Plutonium Pak and Quake: Scourge of Armagon. We know the process behind succeeding with in this type of project. Also, some of the developers at Valve had worked with some of us at various points in our careers and I think there was an amount of mutual respect of talent that came into play. Ultimately, the timing for this project was perfect for everyone and having a chance to work with Valve and Sierra on a Half-Life game expansion is something we couldn't pass up. I understood that they've been looking for the right team for awhile now. I feel proud that Sierra and Valve chose us as 'the one'. I'd like to assure fans of Half-Life that the game expansion is in very good hands." Pitchford went on to explain how development was progressing, as he informed: "Half-Life is Valve's creation. The story and general design is being developed together. Gearbox cares very much about Valve's influence over the OpFor design and Valve has expressed their confidence in us to be creative within the Half-Life universe."