Portal Stories: Mel is a mod consisting of 22 maps with various themes, linked together by a strong, brand new story. There will be new voice lines, models, materials, particle effects, challenging puzzles, and much more! We estimate players to spend 6-10 hours on completing this mod, depending on experience. Most levels consist of puzzles with varying difficulties. The difficulty will always be in the puzzles. The execution will never require any quick reactions.