💻, 🔍, 📂2, 📰RolandSeptember 09, 2014Portal, interactive storytelling, the Freeman problem, ludonarrative dissonance, the hero problem, narrative Escaping the System: ‘Portal’ and Interactive Storytelling 💻, 🔍, 📂2, 📰RolandSeptember 09, 2014Portal, interactive storytelling, the Freeman problem, ludonarrative dissonance, the hero problem, narrative